| Ranking | Points | Year of Marriage Law | Country | % Correct |
|---|---|---|---|---|
| 1 | 12 | 2005 | Canada | 94%
|
| 18 | 6 | 2009 | Norway | 93%
|
| 1 | 12 | 2009 | Sweden | 93%
|
| 23 | 5 | 2013 | France | 92%
|
| 5 | 9 | 2005 | Spain | 92%
|
| 10 | 8 | 2017 | Germany | 90%
|
| 5 | 9 | 2020 | United Kingdom | 90%
|
| 5 | 9 | 2001 | Netherlands | 89%
|
| 10 | 8 | 2012 | Denmark | 88%
|
| 18 | 6 | 2017 | Finland | 88%
|
| 15 | 7 | 2003 | Belgium | 87%
|
| 10 | 8 | 2010 | Portugal | 86%
|
| 18 | 6 | 2017 | Australia | 84%
|
| 10 | 8 | 2010 | Iceland | 84%
|
| 4 | 11 | 2019 | Austria | 83%
|
| 15 | 7 | TBD | Switzerland | 82%
|
| 10 | 8 | 2013 | New Zealand | 80%
|
| 23 | 5 | 2015 | Ireland | 79%
|
| 18 | 6 | 2015 | Luxembourg | 73%
|
| 5 | 9 | 2010 | Argentina | 61%
|
| 1 | 12 | 2017 | Malta | 55%
|
| 23 | 5 | 2019 | Taiwan | 53%
|
| 5 | 9 | 2013 | Uruguay | 50%
|
| 23 | 5 | No | Israel | 47%
|
| 23 | 5 | 2006 | South Africa | 47%
|
| 15 | 7 | 2016 | Colombia | 38%
|