Males that are reported infertile | Couples that are reported infertile | Couples in which the male factor is one of multiple factors involved | |
---|---|---|---|
North America | 4.5-6%a | 15% | 50% |
Middle East | Unknown | Unknown | 60%-70%b [23] |
Sub-Saharan Africa | 2.5%-4.8%a | 12.5%-16% [22] | 20-40% [22] |
Europe | 7.5%a [11] | 15% [11] | 50% of all infertile couples |
Australia | 8%; 9%b [10] | 15% | 40% [17] |
Central/Eastern Europe | 20% [14] | 56% [6] | |
Asia | Unknown | Unknown | 37% [19] |
Latin America | Unknown | Unknown | 52% [19] |
Africa | Unknown | Unknown | 43% [19] |