The total fertility rate of Less developed regions, excluding least developed countries is projected at 1.97 children per woman in 2031 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (122 per 1,000 women in that age group), and the average mother would be 28.5 years old. In total, 83,262,509 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2031

Total fertility rate

1.97

Births

83,262,509

Births per 1,000 people

14.0

Mean age of mothers

28.5

Births to mothers aged 15–19

6.8%

Net reproduction rate

0.91

Boys per 100 girls at birth

105.4

Population

5,958,330,762

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.

Fertility by age of mother, 2031

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.5	0.1%	97,445
15-19	24.7	6.3%	5,629,553
20-24	98.0	24.9%	21,594,352
25-29	121.5	30.9%	25,427,858
30-34	88.4	22.5%	18,145,345
35-39	44.0	11.2%	9,014,977
40-44	13.4	3.4%	2,860,820
45-49	2.4	0.6%	462,830
50-54	0.2	0.0%	29,237

Fertility in Less developed regions, excluding least developed countries by year

Fertility in Less developed regions, excluding least developed countries, 2031

Year

Country