The total fertility rate of Less developed regions is projected at 2.21 children per woman in 2038 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (127 per 1,000 women in that age group), and the average mother would be 28.6 years old. In total, 123,690,599 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2038

Total fertility rate

2.21

Births

123,690,599

Births per 1,000 people

15.9

Mean age of mothers

28.6

Births to mothers aged 15–19

8.2%

Net reproduction rate

1.03

Boys per 100 girls at birth

104.7

Population

7,777,641,710

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, 2038

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.8	0.2%	227,304
15-19	36.1	8.1%	10,194,800
20-24	104.0	23.5%	30,639,391
25-29	127.3	28.7%	36,652,069
30-34	100.4	22.6%	27,023,372
35-39	53.5	12.1%	13,725,916
40-44	18.1	4.1%	4,458,685
45-49	3.0	0.7%	728,604
50-54	0.2	0.0%	40,404

Fertility in Less developed regions by year

Fertility in Less developed regions, 2038

Year

Country