Births per 1,000 women, by age of mother

Fertility in World, 1985

World
1985
Total fertility rate: 3.51
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1985  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

The total fertility rate of World was 3.51 children per woman in 1985 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (204 per 1,000 women in that age group), and the average mother was 27.5 years old. In total, 136,373,957 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
3.51
Births
136,373,957
Births per 1,000 people
28.0
Mean age of mothers
27.5
Births to mothers aged 15–19
13.9%
Net reproduction rate
1.46
Boys per 100 girls at birth
106.0
Population
4,868,943,466
The net reproduction rate counts only daughters who survive to their mothers' age: below 1, each generation of women is smaller than the one before.
Mother's ageBirths per 1,000 womenShare of total fertilityBirths
10-144.70.7%1,194,185
15-1978.411.2%18,949,059
20-24204.329.1%44,788,126
25-29190.427.1%36,714,164
30-34119.016.9%20,761,009
35-3968.39.7%9,672,368
40-4431.04.4%3,564,885
45-496.40.9%691,349
50-540.40.1%38,787