The total fertility rate of Less developed regions, excluding least developed countries is projected at 1.92 children per woman in 2037 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (119 per 1,000 women in that age group), and the average mother would be 28.8 years old. In total, 83,187,763 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2037

Total fertility rate

1.92

Births

83,187,763

Births per 1,000 people

13.5

Mean age of mothers

28.8

Births to mothers aged 15–19

5.8%

Net reproduction rate

0.90

Boys per 100 girls at birth

105.2

Population

6,156,115,639

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, 2037

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.4	0.1%	73,835
15-19	23.1	6.0%	4,792,525
20-24	90.0	23.3%	20,290,407
25-29	119.0	30.9%	26,366,849
30-34	91.6	23.7%	19,135,169
35-39	45.6	11.8%	9,291,930
40-44	13.8	3.6%	2,780,271
45-49	2.1	0.5%	429,296
50-54	0.1	0.0%	27,430

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

Fertility in Less developed regions, excluding least developed countries, 2037

Year

Country