⚠ Legal data current as of June 2026. Legislation and case law in this area change rapidly. Treat specific figures (number of countries, bill counts, state-level status) as snapshots and verify against ILGA World, the ACLU legislative tracker, or Movement Advancement Project before relying on them.
Global Overview (June 2026)
- Same-sex marriage: Recognized in 38 UN member states - Netherlands (2001, first), through the US, most of Western Europe, Canada, South Africa, Argentina, Brazil, Australia, Thailand (2025)
- Criminalization: 65 countries criminalize consensual same-sex activity - primarily parts of Africa, the Middle East, Central and South/Southeast Asia, and the Caribbean
- Death penalty: Applicable in Iran, Afghanistan, Saudi Arabia, Mauritania, parts of Somalia, Brunei, and the UAE
- Legal gender recognition: 18 UN member states allow self-determination (no medical requirements)
- Intersex protections: 9 UN member states ban non-vital medical interventions on intersex children
Key US Legal Milestones
| Year | Event |
|---|---|
| 1973 | APA removes homosexuality from DSM |
| 2003 | Lawrence v. Texas - Supreme Court strikes down all remaining sodomy laws nationwide |
| 2015 | Obergefell v. Hodges - nationwide marriage equality |
| 2020 | Bostock v. Clayton County - Title VII prohibits employment discrimination based on sexual orientation/gender identity |
Key EU & Belgium Legal Milestones
Because this guide originates in Belgium, an EU-focused timeline is included to balance the US-centric milestones above.
| Year | Jurisdiction | Event |
|---|---|---|
| 2003 | Belgium | Same-sex marriage legalized (2nd in the world); anti-discrimination protections on sexual orientation enacted |
| 2006 | Belgium | Full same-sex adoption legalized; lesbian couples granted IVF access |
| 2018 | Belgium | Gender Recognition Act: legal gender and name change on the basis of self-determination, no surgery or sterilization required |
| 2023 | Belgium | Federal ban on conversion practices |
| 2025 | EU | CJEU ruling (C-247/23) that conditioning legal gender recognition on surgery violates EU fundamental rights |
Belgium consistently ranks near the top of ILGA-Europe's Rainbow Map and was an early global leader on both marriage equality and self-determination-based legal gender recognition.
Key Concepts
- Sodomy laws - Laws criminalizing same-sex acts; last US laws struck down 2003
- The Lavender Scare (1940s-1960s) - US government campaign purging gay and lesbian federal employees
- Section 28 (UK, 1988-2003) - Prohibited "promotion of homosexuality"; chilling effect in schools
- Anti-trans legislation - Surge since 2020 in the US targeting healthcare, sports, bathrooms, and curriculum; nearly 600 anti-LGBTQ+ bills in a single 2025 US legislative session (ACLU)
- "Gender ideology" / "anti-gender" movement - A transnational political framing that casts LGBTQ+ rights, sex education, and gender studies as a threatening "ideology." Opposed by LGBTQ+ and human-rights organizations as a disinformation frame
- SOGI / SOGIESC - "Sexual Orientation and Gender Identity" (and, in the longer form, "Gender Expression and Sex Characteristics"). Standard terminology in international human-rights law
- LGBTQ+ asylum - LGBTQ+ people facing persecution may claim refugee status under the 1951 Refugee Convention. In practice, claimants are frequently required to "prove" their identity to immigration authorities. Recognition and conditions vary widely by receiving state
Note: Slovakia's two-sexes constitutional amendment passed 26 Sep 2025; Sweden's 2025 gender-recognition law still requires a medical certificate (not full self-ID).