Fertility in Less developed regions, 1980

Less developed regions
1980
Total fertility rate: 4.39
Births per 1,000 women, by age of mother
1980 1950, 30 years earlier
Hover a column for the exact rate. Adding up all the rates (× 5 years ÷ 1,000) gives the total fertility rate.
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1980  +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 Less developed regions was 4.39 children per woman in 1980 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (230 per 1,000 women in that age group), and the average mother was 28.2 years old. In total, 111,268,407 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
4.39
Births
111,268,407
Births per 1,000 people
33.1
Mean age of mothers
28.2
Births to mothers aged 15–19
14.0%
Net reproduction rate
1.75
Boys per 100 girls at birth
105.7
Population
3,362,598,771
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
10-145.70.7%1,164,598
15-1987.710.0%15,522,692
20-24230.426.3%34,541,678
25-29228.926.1%30,470,476
30-34160.118.3%16,413,869
35-39104.011.9%8,687,518
40-4448.95.6%3,705,599
45-4910.71.2%723,307
50-540.70.1%38,652