The total fertility rate of Less developed regions is projected at 2.27 children per woman in 2032 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (131 per 1,000 women in that age group), and the average mother would be 28.4 years old. In total, 122,522,569 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2032

Total fertility rate

2.27

Births

122,522,569

Births per 1,000 people

16.5

Mean age of mothers

28.4

Births to mothers aged 15–19

9.0%

Net reproduction rate

1.05

Boys per 100 girls at birth

104.9

Population

7,409,566,281

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, 2032

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.9	0.2%	262,747
15-19	37.1	8.2%	11,058,594
20-24	111.8	24.6%	32,108,345
25-29	131.4	28.9%	35,283,990
30-34	99.0	21.8%	25,444,562
35-39	52.8	11.6%	13,137,139
40-44	17.7	3.9%	4,415,158
45-49	3.3	0.7%	769,487
50-54	0.2	0.0%	42,498

Fertility in Less developed regions by year

Fertility in Less developed regions, 2032

Year

Country