The total fertility rate of Less developed regions, excluding China is projected at 2.37 children per woman in 2039 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (137 per 1,000 women in that age group), and the average mother would be 28.5 years old. In total, 115,003,606 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2039

Total fertility rate

2.37

Births

115,003,606

Births per 1,000 people

17.8

Mean age of mothers

28.5

Births to mothers aged 15–19

8.7%

Net reproduction rate

1.10

Boys per 100 girls at birth

104.6

Population

6,457,290,782

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, 2039

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.8	0.2%	222,266
15-19	39.0	8.2%	9,950,550
20-24	114.8	24.2%	29,116,422
25-29	136.6	28.7%	33,967,654
30-34	104.9	22.1%	24,599,315
35-39	55.9	11.8%	12,367,122
40-44	19.7	4.2%	4,089,796
45-49	3.4	0.7%	652,295
50-54	0.2	0.0%	38,137

Fertility in Less developed regions, excluding China by year

Fertility in Less developed regions, excluding China, 2039

Year

Country