The total fertility rate of Least developed countries is projected at 2.73 children per woman in 2053 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (138 per 1,000 women in that age group), and the average mother would be 28.8 years old. In total, 43,876,693 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2053

Total fertility rate

2.73

Births

43,876,693

Births per 1,000 people

21.5

Mean age of mothers

28.8

Births to mothers aged 15–19

11.5%

Net reproduction rate

1.27

Boys per 100 girls at birth

103.7

Population

2,036,459,776

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, 2053

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	1.3	0.2%	120,901
15-19	54.6	10.0%	5,066,193
20-24	124.2	22.7%	10,970,421
25-29	137.9	25.2%	11,457,776
30-34	117.2	21.5%	8,936,341
35-39	74.0	13.5%	5,064,852
40-44	30.8	5.6%	1,903,747
45-49	6.1	1.1%	342,140
50-54	0.3	0.1%	14,312

Fertility in Least developed countries by year

Fertility in Least developed countries, 2053

Year

Country