In five countries, it is open to both opposite sex and same sex couples (the Netherlands since 2001; Belgium since 2003; Spain since 2005; Sweden since 2009 and Portugal since 2010).
Viies riigis tunnustatakse abielu nii mehe ja naise vahel kui ka samasooliste paaride abielu (Madalamaades alates 2001., Belgias alates 2003., Hispaanias alates 2005., Rootsis alates 2009. ja Portugalis alates 2010. aastast).