The total fertility rate of Least developed countries is projected at 2.87 children per woman in 2048 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (144 per 1,000 women in that age group), and the average mother would be 28.7 years old. In total, 43,058,298 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2048

Total fertility rate

2.87

Births

43,058,298

Births per 1,000 people

22.8

Mean age of mothers

28.7

Births to mothers aged 15–19

12.3%

Net reproduction rate

1.33

Boys per 100 girls at birth

103.7

Population

1,888,771,566

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, 2048

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	1.4	0.2%	132,437
15-19	59.2	10.3%	5,301,388
20-24	132.1	23.0%	11,137,244
25-29	143.7	25.1%	11,089,689
30-34	121.3	21.1%	8,402,830
35-39	76.7	13.4%	4,812,374
40-44	32.2	5.6%	1,832,011
45-49	6.7	1.2%	336,059
50-54	0.3	0.1%	14,226

Fertility in Least developed countries by year

Fertility in Least developed countries, 2048

Year

Country