Sexual Orientation: Understanding Identity, Types & Mental Health

Medically reviewed | Last reviewed: | Evidence level: 1A
Sexual orientation describes who you are emotionally, romantically, and sexually attracted to. It is a fundamental aspect of human identity that encompasses heterosexual, homosexual, bisexual, pansexual, asexual, and other orientations. For most people, sexual orientation remains stable throughout life, though understanding of one's identity may deepen over time. All sexual orientations are natural variations of human sexuality and are not disorders or illnesses.
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Written and reviewed by iMedic Medical Editorial Team | Specialists in Psychology and Sexual Health

📊 Quick facts about sexual orientation

LGBTQ+ Population
3-10%
of global population
WHO Classification
Not a disorder
since 1990
APA Position
Natural variation
of human sexuality
Stability
Generally stable
throughout life
Conversion therapy
Harmful
no scientific support
MeSH Code
D012725
Sexual Behavior

💡 The most important things you need to know

  • Sexual orientation is natural: All major medical organizations recognize sexual orientation as a natural variation of human sexuality, not a disorder
  • Multiple valid identities exist: Heterosexual, homosexual, bisexual, pansexual, and asexual are all recognized sexual orientations
  • Generally stable over time: For most people, sexual orientation remains consistent, though self-understanding may deepen
  • Conversion therapy is harmful: There is no scientific support for changing sexual orientation, and such attempts cause psychological harm
  • Support is available: LGBTQ+ individuals have access to affirming healthcare, community organizations, and mental health support
  • Discrimination is harmful: Many countries have laws protecting against discrimination based on sexual orientation

What Is Sexual Orientation?

Sexual orientation refers to a person's enduring pattern of emotional, romantic, and sexual attraction to others. It describes who you are attracted to and fall in love with, and is considered a fundamental aspect of human identity that develops early in life and remains generally stable.

Sexual orientation encompasses the gender or genders of people to whom you feel emotionally, romantically, and sexually attracted. It is distinct from gender identity, which refers to your internal sense of your own gender. Your sexual orientation can also relate to your sexual identity and how you choose to identify yourself to others.

For the majority of people, sexual orientation is stable throughout their lifetime. However, some individuals may experience their understanding of their sexuality evolving or developing over time. This can result from increased self-awareness, life experiences, or changing circumstances. It is important to understand that this process of self-discovery is natural and valid.

The scientific and medical consensus, supported by organizations including the World Health Organization (WHO), American Psychological Association (APA), and World Psychiatric Association (WPA), is that sexual orientation is a natural variation of human sexuality. It is not a choice, a disorder, or something that can or should be changed.

Important to understand:

There is no scientific evidence supporting so-called "conversion therapy" or any method claiming to change a person's sexual orientation. All major medical and psychological organizations have condemned such practices as harmful and ineffective. Many countries have banned conversion therapy, recognizing it as a form of psychological abuse.

Sexual Orientation vs. Gender Identity

It is important to distinguish between sexual orientation and gender identity, as they are separate concepts. Sexual orientation describes who you are attracted to, while gender identity describes your internal sense of your own gender. A person can have any combination of sexual orientation and gender identity. For example, a transgender woman can be heterosexual, lesbian, bisexual, or any other sexual orientation, just like cisgender individuals.

The Spectrum of Attraction

Research increasingly supports the understanding that sexual orientation exists on a spectrum rather than in rigid categories. The Kinsey Scale, developed in the 1940s by Alfred Kinsey, was one of the first attempts to capture this spectrum, rating sexual orientation from 0 (exclusively heterosexual) to 6 (exclusively homosexual). While this scale has limitations, it helped establish the concept that sexuality is more nuanced than simple binary categories.

Modern understanding recognizes that attraction can be multidimensional, including emotional attraction, romantic attraction, and sexual attraction, which may not always align perfectly. Some people experience different types of attraction to different genders, adding further complexity to the spectrum of human sexuality.

What Are the Different Types of Sexual Orientation?

The main sexual orientations include heterosexual (attracted to different gender), homosexual/gay/lesbian (attracted to same gender), bisexual (attracted to more than one gender), pansexual (attracted regardless of gender), and asexual (little or no sexual attraction). Many other terms exist to describe the nuanced spectrum of human attraction.

Human sexuality is diverse, and many terms have emerged to describe different patterns of attraction. Understanding these terms can help individuals find language that accurately describes their experiences and connect with others who share similar identities. Here are some of the most commonly recognized sexual orientations:

Heterosexual (Straight)

Heterosexuality refers to emotional, romantic, and sexual attraction to people of a different gender than your own. A heterosexual man is attracted to women, and a heterosexual woman is attracted to men. The term "straight" is commonly used as a synonym for heterosexual. Heterosexuality is the most common sexual orientation worldwide, though exact percentages vary based on survey methodology and cultural factors affecting self-reporting.

Homosexual (Gay/Lesbian)

Homosexuality refers to attraction to people of the same gender. The term "gay" is widely used for homosexual individuals of any gender, though it is most commonly associated with men who are attracted to men. "Lesbian" specifically refers to women who are attracted to women. These terms have evolved from clinical language to affirming identity labels embraced by the LGBTQ+ community.

The American Psychiatric Association removed homosexuality from the Diagnostic and Statistical Manual of Mental Disorders (DSM) in 1973, and the World Health Organization removed it from the International Classification of Diseases (ICD) in 1990. This reflects the scientific consensus that homosexuality is a normal variation of human sexuality.

Bisexual

Bisexuality refers to attraction to more than one gender. Historically, the prefix "bi" (meaning two) led to definitions focusing on attraction to both men and women. However, contemporary understanding recognizes that bisexuality can include attraction to people of any gender, including non-binary individuals. Bisexual people may experience attraction to different genders in different ways or to varying degrees.

Research indicates that bisexuality is a stable and distinct sexual orientation, not a phase or transition point between heterosexuality and homosexuality. Bisexual individuals sometimes face unique challenges, including "bi erasure" (having their identity dismissed or invalidated) from both heterosexual and homosexual communities.

Pansexual

Pansexuality refers to attraction to people regardless of their gender identity. The prefix "pan" (meaning all) emphasizes that gender is not a determining factor in attraction. Some pansexual individuals describe their attraction as being to the person rather than their gender. While similar to bisexuality, pansexuality explicitly emphasizes that all genders are included in potential attraction, including non-binary and gender non-conforming individuals.

The distinction between bisexual and pansexual is personal and meaningful to different individuals. Some use the terms interchangeably, while others prefer one label based on its specific connotations or the community associated with it.

Asexual

Asexuality refers to experiencing little or no sexual attraction to others. It is important to understand that asexuality is a spectrum, and individuals may identify as asexual in different ways. Some asexual people experience romantic attraction without sexual attraction (romantic asexuals), while others experience neither (aromantic asexuals). Some may experience sexual attraction rarely or only under specific circumstances (gray-asexual or demisexual).

Asexuality is distinct from celibacy, which is a choice to abstain from sexual activity. Asexual individuals simply do not experience sexual attraction in the same way that others do. An asexual person may still choose to have sex for various reasons, including pleasing a partner or having children, even without experiencing sexual attraction.

Queer

Queer is an umbrella term that has been reclaimed by many in the LGBTQ+ community to describe non-heterosexual and/or non-cisgender identities. For some, it serves as a way to reject the limitations of more specific labels. For others, it represents a political identity challenging heteronormativity. The meaning of "queer" can vary significantly between individuals, and not everyone is comfortable with the term due to its historical use as a slur.

Using "queer" as an identity is a personal choice, and it is important to respect how individuals choose to identify themselves. Some prefer specific labels like gay, lesbian, or bisexual, while others embrace queer as a more encompassing or liberating term.

Common sexual orientation terms and their definitions
Term Definition Key Characteristics
Heterosexual Attracted to different gender Also called "straight"
Homosexual Attracted to same gender Gay (men), Lesbian (women)
Bisexual Attracted to more than one gender Attraction may vary by gender
Pansexual Attracted regardless of gender Gender not a factor in attraction
Asexual Little or no sexual attraction Exists on a spectrum
Queer Umbrella term for non-heterosexual identities Meaning varies by individual

How Do I Know My Sexual Orientation?

Understanding your sexual orientation is a personal process that involves recognizing patterns in who you are emotionally, romantically, and sexually attracted to. There is no test or requirement to prove your orientation - you are the only person who can define your identity. Many people know their orientation from an early age, while others discover it later in life.

Questioning your sexual orientation is a common and valid experience. Many people, particularly those who do not identify as heterosexual, go through periods of reflection about their attractions. This is especially true if societal expectations or assumptions have led others to presume you are heterosexual. If this is the case, you may feel isolated or different as you explore your identity.

It is important to understand that having a sexual experience with someone of a particular gender does not automatically define your sexual orientation. Sexual behavior and sexual orientation are related but distinct concepts. A person might engage in sexual activity for various reasons that do not necessarily reflect their underlying pattern of attraction.

Similarly, you do not need to have any sexual experience to know your sexual orientation. Many people are aware of their attractions before they have any romantic or sexual encounters. Your feelings, fantasies, and patterns of attraction are valid indicators of your orientation.

There is no obligation to choose a specific label for your sexual orientation. Some people find labels helpful for understanding themselves and connecting with community, while others prefer not to use them. Your identity is valid regardless of whether you use terminology like gay, bisexual, queer, or simply describe your attractions in your own words.

Remember:

You are the only authority on your own sexual orientation. No one else can tell you how to identify, and you do not owe anyone an explanation of your attractions. Your identity is valid whether you knew it from childhood, discovered it as an adult, or are still exploring.

Signs You May Be Questioning Your Sexuality

Many people experience periods of questioning, particularly during adolescence and young adulthood, though questioning can occur at any age. Some common experiences include noticing attraction to people of the same or multiple genders, feeling that heterosexual relationships do not fully resonate with your feelings, or finding yourself drawn to LGBTQ+ stories, media, or communities.

Questioning does not necessarily mean you are LGBTQ+, nor does a lack of questioning mean you are heterosexual. Everyone's journey of self-discovery is unique. Some people always knew their orientation; others discovered it gradually; and some may never feel the need to define it precisely.

What Should I Know About Coming Out?

Coming out is the process of disclosing your sexual orientation to others. It is entirely your choice whether, when, and to whom you come out. While coming out can be liberating and lead to stronger relationships, it can also be challenging depending on your circumstances. Your safety and wellbeing should always be the priority.

If you are heterosexual, you typically do not need to explicitly state your sexual orientation because society often assumes heterosexuality as the default. For those who are not heterosexual, there may be a desire to share your identity with others so they understand who you truly are. This process is commonly called "coming out."

The decision to come out is deeply personal and should be made on your own terms. There is no right or wrong time to come out, and you can choose to be out to some people while remaining private with others. Many LGBTQ+ individuals describe coming out as an ongoing process rather than a single event, as they may need to disclose their orientation to new people throughout their lives.

Coming out can have many positive effects, including feeling more authentic, strengthening relationships with supportive people, connecting with LGBTQ+ community, reducing the stress of concealment, and improving mental health. Research shows that LGBTQ+ individuals who are out tend to have better psychological wellbeing than those who conceal their identity, particularly when they are in supportive environments.

However, coming out can also present challenges. Some people may not react supportively, and in certain circumstances, coming out could affect your safety, housing, employment, or family relationships. It is important to assess your situation carefully and prioritize your safety and wellbeing.

Tips for Coming Out

If you decide to come out, consider starting with someone you trust and believe will be supportive. Choose a private setting where you can have an uninterrupted conversation. Be prepared that people may need time to process the information, and their initial reaction may not reflect their long-term feelings.

It can be helpful to have resources available, both for yourself and for the people you tell. This might include information about sexual orientation, LGBTQ+ support organizations, or materials specifically for family and friends of LGBTQ+ individuals. Having a support system in place before and after coming out can make the process easier.

You do not have to come out alone:

Many LGBTQ+ organizations offer support for individuals who are considering coming out. Counselors, support groups, and online communities can provide guidance, encouragement, and practical advice for navigating this process safely.

How Does Sexual Orientation Affect Mental Health?

Sexual orientation itself does not cause mental health problems. However, LGBTQ+ individuals may experience higher rates of depression, anxiety, and other mental health concerns due to minority stress - the chronic stress of facing discrimination, stigma, and rejection. Supportive environments and access to affirming care significantly improve mental health outcomes.

Research consistently shows that sexual orientation itself is not a predictor of mental health problems. LGBTQ+ individuals have the same capacity for psychological wellbeing as heterosexual individuals. However, the minority stress model explains that LGBTQ+ people may face additional stressors that can impact mental health.

Minority stress includes external stressors such as discrimination, violence, and rejection, as well as internal stressors like internalized homophobia, fear of rejection, and concealment of identity. These stressors can contribute to higher rates of depression, anxiety, substance use, and suicidal ideation among LGBTQ+ populations compared to heterosexual populations.

Importantly, these disparities are not caused by being LGBTQ+ but by how society treats LGBTQ+ individuals. Studies show that in more accepting environments with legal protections and social support, the mental health gap between LGBTQ+ and heterosexual individuals narrows significantly.

Protective Factors

Several factors are associated with better mental health outcomes for LGBTQ+ individuals. Social support from family, friends, and community is one of the strongest protective factors. Having even one supportive adult can significantly improve outcomes for LGBTQ+ youth. Connection to LGBTQ+ community and identity pride also serve as buffers against minority stress.

Access to affirming healthcare is crucial. Mental health professionals who are knowledgeable about LGBTQ+ issues and provide affirming care can help individuals process minority stress, develop coping strategies, and build resilience. Many organizations provide directories of LGBTQ+-friendly healthcare providers.

Legal protections against discrimination have been shown to improve population-level mental health for LGBTQ+ individuals. Countries and regions with anti-discrimination laws, marriage equality, and bans on conversion therapy tend to have better mental health outcomes for their LGBTQ+ populations.

When to Seek Support

If you are struggling with your mental health, whether related to your sexual orientation or not, it is important to seek support. Signs that you might benefit from professional help include persistent feelings of sadness or hopelessness, anxiety that interferes with daily life, thoughts of self-harm or suicide, substance use problems, or difficulty functioning in relationships, work, or school.

Mental health support is available and effective. Many therapists specialize in working with LGBTQ+ clients and can provide culturally competent care. If you are in crisis, hotlines and crisis services are available in many countries specifically for LGBTQ+ individuals.

What Support Is Available for LGBTQ+ Individuals?

Support for LGBTQ+ individuals includes community organizations, mental health services, peer support groups, online resources, and crisis helplines. Many countries have national LGBTQ+ organizations that provide advocacy, resources, and community connections. Healthcare providers can offer affirming care and referrals to appropriate services.

You have the right to live authentically, and support is available if you need it. A wide range of resources exists to help LGBTQ+ individuals navigate challenges, connect with community, and access affirming services.

Community Organizations

LGBTQ+ community organizations exist in most countries and can provide various forms of support. These organizations often offer peer support groups, social events, educational resources, legal advocacy, and referrals to affirming services. They can help you connect with others who share similar experiences and build supportive community networks.

Many organizations specifically serve particular populations within the LGBTQ+ community, such as youth, older adults, people of color, or immigrants. Finding organizations that understand your specific needs and experiences can be particularly valuable.

Mental Health Services

Mental health professionals who specialize in LGBTQ+ issues can provide valuable support. They can help with issues related to identity, coming out, relationships, minority stress, and general mental health concerns. When seeking a therapist, look for someone who is openly affirming of LGBTQ+ identities and knowledgeable about the unique challenges you may face.

Many professional organizations maintain directories of LGBTQ+-friendly providers. It is appropriate to ask potential therapists about their experience and approach to working with LGBTQ+ clients before beginning treatment.

Online Resources

The internet provides access to extensive information, support communities, and resources for LGBTQ+ individuals. Online communities can be particularly valuable for those who live in areas without visible LGBTQ+ presence or who are not yet out. However, it is important to verify that online resources come from reputable sources and to protect your privacy if needed.

Healthcare Services

Healthcare providers should offer respectful, affirming care to all patients regardless of sexual orientation. If you do not feel comfortable with your current providers, you have the right to seek care elsewhere. Some healthcare systems and directories specifically identify LGBTQ+-friendly providers.

When accessing healthcare, you can choose how much information to share about your sexual orientation. However, being open with healthcare providers can help ensure you receive appropriate care, including relevant screenings and health information.

Crisis Support:

If you are in crisis or having thoughts of suicide, please reach out for help immediately. Find emergency resources in your area. Many countries have crisis lines specifically for LGBTQ+ individuals that provide confidential support 24/7.

What Are My Rights Regarding Discrimination?

Many countries have laws protecting individuals from discrimination based on sexual orientation. These laws may cover employment, housing, healthcare, and public services. Discrimination based on sexual orientation is increasingly recognized as a human rights violation. If you experience discrimination, you may have legal recourse depending on your jurisdiction.

Legal protections for LGBTQ+ individuals vary significantly by country and region. In some places, comprehensive anti-discrimination laws protect sexual orientation in employment, housing, healthcare, education, and public accommodations. In others, few or no protections exist, and in some countries, same-sex relationships are still criminalized.

Understanding your rights in your specific location is important. National and local LGBTQ+ organizations can often provide information about the legal landscape in your area and connect you with legal resources if you experience discrimination.

Types of Discrimination

Discrimination can take many forms, from overt actions like being fired or denied housing to more subtle forms like harassment, exclusion, or microaggressions. Both direct discrimination (being treated differently because of your sexual orientation) and indirect discrimination (policies that disproportionately affect LGBTQ+ individuals) may be illegal in jurisdictions with comprehensive protections.

Hate crimes, which are crimes motivated by bias against a person's actual or perceived sexual orientation, are particularly serious. Many jurisdictions have specific hate crime laws that provide enhanced penalties when crimes are motivated by anti-LGBTQ+ bias. Reporting hate crimes can be important both for your own case and for documenting patterns of violence against the community.

Reporting Discrimination

If you experience discrimination, you have options for reporting and seeking redress. Depending on your location and the type of discrimination, you may be able to file complaints with human rights commissions, equal opportunity agencies, or other governmental bodies. Legal organizations specializing in LGBTQ+ rights can help you understand your options and navigate the reporting process.

Documenting discrimination when it occurs can be helpful if you later decide to take action. This includes saving written communications, noting dates and details of incidents, and identifying witnesses when possible.

Frequently asked questions about sexual orientation

Medical References and Sources

This article is based on current research and international guidelines from leading medical and psychological organizations. All claims are supported by scientific evidence from peer-reviewed sources.

  1. American Psychological Association (2023). "Sexual Orientation and Homosexuality." https://www.apa.org/topics/lgbtq Comprehensive overview of sexual orientation from the APA.
  2. World Health Organization (2022). "ICD-11 - Sexual Health Chapter." WHO ICD-11 International Classification of Diseases confirming sexual orientation is not a disorder.
  3. World Psychiatric Association (2016). "Position Statement on Gender Identity and Same-Sex Orientation, Attraction, and Behaviours." WPA statement opposing conversion therapy and affirming LGBTQ+ identities.
  4. Meyer, I. H. (2003). "Prejudice, social stress, and mental health in lesbian, gay, and bisexual populations: Conceptual issues and research evidence." Psychological Bulletin, 129(5), 674-697. Foundational research on minority stress and LGBTQ+ mental health.
  5. American Psychiatric Association (2018). "Position Statement on Conversion Therapy and LGBTQ Patients." Official statement condemning conversion therapy as harmful.
  6. UN Human Rights Council (2019). "Protection against violence and discrimination based on sexual orientation and gender identity." International human rights framework for LGBTQ+ protections.

Evidence grading: This article uses evidence from systematic reviews, meta-analyses, and position statements from major medical and psychological organizations. The consensus of scientific evidence supports the information presented.

⚕️

iMedic Medical Editorial Team

Specialists in psychology, psychiatry, and sexual health

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