| Country or Area | Subgroup | Year | Source | Unit | Value | |
|---|
| Albania | Female | 1989 | UNPD_World Fertility and Marriage Database_2003 | Years | 22.9 |
| Albania | Male | 1989 | UNPD_World Fertility and Marriage Database_2003 | Years | 27.0 |
| Algeria | Female | 1992 | UNPD_World Fertility and Marriage Database_2003 | Years | 25.9 |
| Argentina | Female | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 23.3 |
| Argentina | Male | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 25.8 |
| Armenia | Female | 2000 | UNPD_World Fertility and Marriage Database_2003 | Years | 23.0 |
| Australia | Female | 2000 | UNPD_World Fertility and Marriage Database_2003 | Years | 28.7 |
| Australia | Male | 2000 | UNPD_World Fertility and Marriage Database_2003 | Years | 30.9 |
| Austria | Female | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 26.1 |
| Austria | Male | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 28.9 |
| Azerbaijan | Female | 1999 | UNPD_World Fertility and Marriage Database_2003 | Years | 23.9 |
| Azerbaijan | Male | 1999 | UNPD_World Fertility and Marriage Database_2003 | Years | 27.0 |
| Bahamas | Female | 1990 | UNPD_World Fertility and Marriage Database_2003 | Years | 27.2 |
| Bahamas | Male | 1990 | UNPD_World Fertility and Marriage Database_2003 | Years | 29.1 |
| Bahrain | Female | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 25.6 |
| Bahrain | Male | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 28.4 |
| Bangladesh | Female | 2000 | UNPD_World Fertility and Marriage Database_2003 | Years | 18.7 |
| Barbados | Female | 1990 | UNPD_World Fertility and Marriage Database_2003 | Years | 31.8 |
| Barbados | Male | 1990 | UNPD_World Fertility and Marriage Database_2003 | Years | 34.3 |
| Belarus | Female | 1999 | UNPD_World Fertility and Marriage Database_2003 | Years | 22.8 |
| Belarus | Male | 1999 | UNPD_World Fertility and Marriage Database_2003 | Years | 25.4 |
| Belgium | Female | 2000 | UNPD_World Fertility and Marriage Database_2003 | Years | 27.9 |
| Belgium | Male | 2000 | UNPD_World Fertility and Marriage Database_2003 | Years | 30.3 |
| Belize | Female | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 26.2 |
| Belize | Male | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 28.4 |
| Benin | Female | 1996 | UNPD_World Fertility and Marriage Database_2003 | Years | 19.9 |
| Bhutan | Female | 1990 | UNPD_World Fertility and Marriage Database_2003 | Years | 20.5 |
| Bhutan | Male | 1990 | UNPD_World Fertility and Marriage Database_2003 | Years | 23.8 |
| Bolivia | Female | 1998 | UNPD_World Fertility and Marriage Database_2003 | Years | 22.8 |
| Bolivia | Male | 1998 | UNPD_World Fertility and Marriage Database_2003 | Years | 25.4 |
| Botswana | Female | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 26.9 |
| Botswana | Male | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 30.9 |
| Brazil | Female | 1996 | UNPD_World Fertility and Marriage Database_2003 | Years | 23.4 |
| Brazil | Male | 1996 | UNPD_World Fertility and Marriage Database_2003 | Years | 25.4 |
| Brunei | Female | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 25.1 |
| Brunei | Male | 1991 | UNPD_World Fertility and Marriage Database_2003 | Years | 27.3 |
| Bulgaria | Female | 1985 | UNPD_World Fertility and Marriage Database_2003 | Years | 21.1 |
| Bulgaria | Male | 1985 | UNPD_World Fertility and Marriage Database_2003 | Years | 24.9 |
| Burkina Faso | Female | 1999 | UNPD_World Fertility and Marriage Database_2003 | Years | 18.9 |
| Burkina Faso | Male | 1999 | UNPD_World Fertility and Marriage Database_2003 | Years | 26.4 |
| Burundi | Female | 1990 | UNPD_World Fertility and Marriage Database_2003 | Years | 22.5 |
| Burundi | Male | 1990 | UNPD_World Fertility and Marriage Database_2003 | Years | 25.7 |
| Cambodia | Female | 1998 | UNPD_World Fertility and Marriage Database_2003 | Years | 22.5 |
| Cambodia | Male | 1998 | UNPD_World Fertility and Marriage Database_2003 | Years | 24.2 |
| Cameroon | Female | 1998 | UNPD_World Fertility and Marriage Database_2003 | Years | 20.2 |
| Cameroon | Male | 1998 | UNPD_World Fertility and Marriage Database_2003 | Years | 26.6 |
| Canada | Female | 2002 | UNPD_World Fertility and Marriage Database_2003 | Years | 26.8 |
| Canada | Male | 2002 | UNPD_World Fertility and Marriage Database_2003 | Years | 29.6 |
| Cape Verde | Female | 1990 | UNPD_World Fertility and Marriage Database_2003 | Years | 25.7 |
| Cape Verde | Male | 1990 | UNPD_World Fertility and Marriage Database_2003 | Years | 28.1 |