With California set to recognise same sex marriage within weeks, this is how the International situation looks now

19 May 2008

Legal recognition of same-sex relationships

Same-sex marriage
Belgium
Canada
Netherlands
South Africa
Spain

Recognized in some regions
United States (MA, CA eff. 2008-6-14)

Foreign marriages recognized
Aruba
Israel
Neth. Antilles
United States (NM, NY, RI)

Civil unions and registered partnerships
Andorra
Czech Republic
Denmark
Finland
France
Germany
Hungary (eff. 2009-1-1)
Iceland
Luxembourg
New Zealand
Norway
Slovenia
Sweden
Switzerland
United Kingdom
Uruguay

Recognized in some regions
Argentina (C, R, VCP)
Australia (TAS, ACT, VIC eff. 2008-12-1)
Brazil (RS)
Canada (QC)
Mexico (Coah., DF)
United States (CA, CT, DC, HI, ME, NH, NJ, OR, VT, WA)

Unregistered co-habitation
Australia
Austria
Brazil
Colombia
Croatia
Israel
Portugal

Recognition debated
Argentina
Austria
Australia
Brazil
Chile
China
Colombia
Costa Rica
Croatia
Cuba
Estonia
Ecuador
Faroe Islands
Greece
Ireland
Italy
Jersey
Latvia
Liechtenstein
Lithuania
Poland
Romania
Slovakia
Taiwan
United States
(IA, IL, MD, NM, NY, RI)

Recognition granted, same-sex marriage debated
Czech Republic
Denmark
France
Hungary
Iceland
New Zealand
Norway
Portugal
Sweden
United Kingdom

United States (CT, DC, HI, ME, NH, NJ, OR, VT, WA)