Table 1. Regional singulate mean age of marriage (SMAM) difference between males and females[1] Region SMAM difference Eastern Africa 4.3 Middle Africa 6.0 Northern Africa 4.5 Western Africa 6.6 Eastern Asia 2.4 South-Central Asia 3.7 South-Eastern Asia 2.4 Western Asia 3.5 Eastern Europe 3.1 Northern Europe 2.3 Southern Europe 3.3 Western Europe 2.7 Caribbean 2.9 Central America 2.5 South America 2.9 Northern America 2.3 Australia/New Zealand 2.2