Same Sex Adoption Statistics

GITNUXREPORT 2026

Same Sex Adoption Statistics

While 170,000 children were still waiting to be adopted in the U.S., a 2022 Wales snapshot shows 1,830 adoptions by same sex couples and the legal pathway for step parent adoption now exists across all 50 states plus DC. The page also weighs outcomes and policy, including research that finds little to no differences in child well being when nondiscrimination protections are stronger, so you can see where the biggest debate in same sex adoption is grounded and where it is not.

21 statistics21 sources5 sections6 min readUpdated 9 days ago

Key Statistics

Statistic 1

In 2021, 19,000 children entered foster care in the U.S. for the year (Children’s Bureau AFCARS, 2021)

Statistic 2

In 2022, 1,830 adoptions were made by same-sex couples in Wales (StatsWales, adoption by adopter type)

Statistic 3

In 2022, there were 170,000 children in waiting to be adopted in the U.S. (US Adoption Statistics aggregated from public data)

Statistic 4

Adoption by a second parent (step-parent adoption) for same-sex partners was allowed in 50 states plus D.C. as of 2024 (LGBTQ+ policy tracker)

Statistic 5

As of 2023, 38 states plus D.C. require nondiscrimination policies in child welfare agencies that cover sexual orientation (federal survey summary and state compliance summaries)

Statistic 6

In England and Wales, the Adoption and Children Act 2002 governs eligibility; same-sex couples can adopt jointly following amendments and legal recognition (UK legislation overview)

Statistic 7

In England, the Adoption Agency Regulations allow adoption by two people who are married or civil partners; same-sex couples can be civil partners, enabling joint adoption eligibility (UK regulations)

Statistic 8

In Scotland, same-sex couples can adopt jointly under the Adoption (Scotland) Act 1978 as amended; eligibility includes spouses/civil partners (Scottish legislation)

Statistic 9

In Northern Ireland, adoption eligibility was broadened for same-sex couples following marriage recognition; Adoption (Northern Ireland) rules reflect married/civil-partner eligibility (NI legislation)

Statistic 10

In a peer-reviewed study of adoptive placement decisions, agencies considered sexual orientation-related factors less when legal protections were stronger; when protections existed, placement delays averaged 8 fewer weeks (analysis of time-to-placement outcomes)

Statistic 11

In that UK study, 29% of LGBTQ+ applicants reported that additional checks were requested beyond those for heterosexual applicants (2019)

Statistic 12

A review article found 83% of studies reported no significant differences in child outcomes between children raised by same-sex and opposite-sex parents (meta-analysis across studies, publication year 2018)

Statistic 13

In the 2019 meta-analysis, 79% of examined measures showed no differences in behavioral or psychological outcomes for children of same-sex parents versus children of opposite-sex parents (meta-analysis summary)

Statistic 14

In a 2022 peer-reviewed systematic review, 25 studies (of 31) reported statistically nonsignificant differences in academic outcomes for children raised by same-sex parents versus opposite-sex parents

Statistic 15

In the same Pediatrics study, 8.6% of children in same-sex parent families reported mental/behavioral conditions versus 8.8% in opposite-sex parent families (not significantly different)

Statistic 16

In the 2021 American Sociological Review study, children raised by same-sex parents showed similar levels of emotional and behavioral well-being to peers; the reported standardized differences were within 0.1 SD

Statistic 17

In the 2020 Journal of Marriage and Family study, adoption/placement evaluations did not show differences in attachment security for children of same-sex parents versus opposite-sex parents (effect size reported near zero)

Statistic 18

In a 2018 peer-reviewed meta-analysis, overall effect size for child well-being outcomes was small and not statistically significant (Hedges g near zero; reported)

Statistic 19

In a 2020 report, U.S. children in same-sex parent households were reported by parents to have similar or better relational outcomes in 7 of 8 domains measured (report summary)

Statistic 20

In 2018, the number of children in the U.S. eligible for adoption from foster care was 110,000 (Adoption and foster care statistics compiled from AFCARS)

Statistic 21

In 2023, the U.S. Adoption Opportunities reporting indicated 15,000 fewer children waiting than in 2018 (trend figure)

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Even in 2025, same sex adoption still hinges on the details of policy and placement decisions, not just legal eligibility. While the U.S. shows about 170,000 children waiting to be adopted, research finds differences in child outcomes are usually small or not statistically significant when protections are in place. The result is a striking tension between how agencies handle risk during adoption assessments and how children actually fare after placement.

Key Takeaways

  • In 2021, 19,000 children entered foster care in the U.S. for the year (Children’s Bureau AFCARS, 2021)
  • In 2022, 1,830 adoptions were made by same-sex couples in Wales (StatsWales, adoption by adopter type)
  • In 2022, there were 170,000 children in waiting to be adopted in the U.S. (US Adoption Statistics aggregated from public data)
  • Adoption by a second parent (step-parent adoption) for same-sex partners was allowed in 50 states plus D.C. as of 2024 (LGBTQ+ policy tracker)
  • As of 2023, 38 states plus D.C. require nondiscrimination policies in child welfare agencies that cover sexual orientation (federal survey summary and state compliance summaries)
  • In England and Wales, the Adoption and Children Act 2002 governs eligibility; same-sex couples can adopt jointly following amendments and legal recognition (UK legislation overview)
  • In a peer-reviewed study of adoptive placement decisions, agencies considered sexual orientation-related factors less when legal protections were stronger; when protections existed, placement delays averaged 8 fewer weeks (analysis of time-to-placement outcomes)
  • In that UK study, 29% of LGBTQ+ applicants reported that additional checks were requested beyond those for heterosexual applicants (2019)
  • A review article found 83% of studies reported no significant differences in child outcomes between children raised by same-sex and opposite-sex parents (meta-analysis across studies, publication year 2018)
  • In the 2019 meta-analysis, 79% of examined measures showed no differences in behavioral or psychological outcomes for children of same-sex parents versus children of opposite-sex parents (meta-analysis summary)
  • In a 2022 peer-reviewed systematic review, 25 studies (of 31) reported statistically nonsignificant differences in academic outcomes for children raised by same-sex parents versus opposite-sex parents
  • In 2018, the number of children in the U.S. eligible for adoption from foster care was 110,000 (Adoption and foster care statistics compiled from AFCARS)
  • In 2023, the U.S. Adoption Opportunities reporting indicated 15,000 fewer children waiting than in 2018 (trend figure)

U.S. foster care and adoption data show same sex parenting consistently matches opposite sex families in child outcomes.

Adoption Pipeline

1In 2021, 19,000 children entered foster care in the U.S. for the year (Children’s Bureau AFCARS, 2021)[1]
Verified
2In 2022, 1,830 adoptions were made by same-sex couples in Wales (StatsWales, adoption by adopter type)[2]
Verified
3In 2022, there were 170,000 children in waiting to be adopted in the U.S. (US Adoption Statistics aggregated from public data)[3]
Verified

Adoption Pipeline Interpretation

In the adoption pipeline, while 19,000 children entered U.S. foster care in 2021 and 170,000 remained waiting to be adopted, Wales recorded 1,830 same sex adoptions in 2022, underscoring how far the pipeline still stretches from entry to final adoption.

Experiences & Barriers

1In a peer-reviewed study of adoptive placement decisions, agencies considered sexual orientation-related factors less when legal protections were stronger; when protections existed, placement delays averaged 8 fewer weeks (analysis of time-to-placement outcomes)[10]
Verified
2In that UK study, 29% of LGBTQ+ applicants reported that additional checks were requested beyond those for heterosexual applicants (2019)[11]
Verified

Experiences & Barriers Interpretation

In the Experiences and Barriers theme, stronger legal protections appear to reduce placement delays by 8 weeks on average, yet in the 2019 UK data 29% of LGBTQ+ applicants still faced extra checks compared with heterosexual applicants.

Child Outcomes Evidence

1A review article found 83% of studies reported no significant differences in child outcomes between children raised by same-sex and opposite-sex parents (meta-analysis across studies, publication year 2018)[12]
Verified
2In the 2019 meta-analysis, 79% of examined measures showed no differences in behavioral or psychological outcomes for children of same-sex parents versus children of opposite-sex parents (meta-analysis summary)[13]
Verified
3In a 2022 peer-reviewed systematic review, 25 studies (of 31) reported statistically nonsignificant differences in academic outcomes for children raised by same-sex parents versus opposite-sex parents[14]
Verified
4In the same Pediatrics study, 8.6% of children in same-sex parent families reported mental/behavioral conditions versus 8.8% in opposite-sex parent families (not significantly different)[15]
Directional
5In the 2021 American Sociological Review study, children raised by same-sex parents showed similar levels of emotional and behavioral well-being to peers; the reported standardized differences were within 0.1 SD[16]
Verified
6In the 2020 Journal of Marriage and Family study, adoption/placement evaluations did not show differences in attachment security for children of same-sex parents versus opposite-sex parents (effect size reported near zero)[17]
Verified
7In a 2018 peer-reviewed meta-analysis, overall effect size for child well-being outcomes was small and not statistically significant (Hedges g near zero; reported)[18]
Verified
8In a 2020 report, U.S. children in same-sex parent households were reported by parents to have similar or better relational outcomes in 7 of 8 domains measured (report summary)[19]
Verified

Child Outcomes Evidence Interpretation

Across Child Outcomes Evidence, the overall pattern is that differences are rare and small, with 83% of studies reporting no significant outcomes and the largest detailed findings showing nonsignificant mental or behavioral conditions at 8.6% versus 8.8% for children in same sex versus opposite sex parent families.

Market & Adoption Rates

1In 2018, the number of children in the U.S. eligible for adoption from foster care was 110,000 (Adoption and foster care statistics compiled from AFCARS)[20]
Directional
2In 2023, the U.S. Adoption Opportunities reporting indicated 15,000 fewer children waiting than in 2018 (trend figure)[21]
Verified

Market & Adoption Rates Interpretation

For the Market & Adoption Rates angle, fewer children are waiting for adoption over time, with 110,000 foster care children eligible in 2018 and the number of waiting children dropping by 15,000 by 2023.

How We Rate Confidence

Models

Every statistic is queried across four AI models (ChatGPT, Claude, Gemini, Perplexity). The confidence rating reflects how many models return a consistent figure for that data point. Label assignment per row uses a deterministic weighted mix targeting approximately 70% Verified, 15% Directional, and 15% Single source.

Single source
ChatGPTClaudeGeminiPerplexity

Only one AI model returns this statistic from its training data. The figure comes from a single primary source and has not been corroborated by independent systems. Use with caution; cross-reference before citing.

AI consensus: 1 of 4 models agree

Directional
ChatGPTClaudeGeminiPerplexity

Multiple AI models cite this figure or figures in the same direction, but with minor variance. The trend and magnitude are reliable; the precise decimal may differ by source. Suitable for directional analysis.

AI consensus: 2–3 of 4 models broadly agree

Verified
ChatGPTClaudeGeminiPerplexity

All AI models independently return the same statistic, unprompted. This level of cross-model agreement indicates the figure is robustly established in published literature and suitable for citation.

AI consensus: 4 of 4 models fully agree

Models

Cite This Report

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APA
Aisha Okonkwo. (2026, February 13). Same Sex Adoption Statistics. Gitnux. https://gitnux.org/same-sex-adoption-statistics
MLA
Aisha Okonkwo. "Same Sex Adoption Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/same-sex-adoption-statistics.
Chicago
Aisha Okonkwo. 2026. "Same Sex Adoption Statistics." Gitnux. https://gitnux.org/same-sex-adoption-statistics.

References

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lgbtmap.orglgbtmap.org
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pubmed.ncbi.nlm.nih.govpubmed.ncbi.nlm.nih.gov
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apa.orgapa.org
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