The total fertility rate of Least developed countries is projected at 2.70 children per woman in 2054 — 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 28.8 years old. In total, 43,998,136 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2054

Total fertility rate

2.70

Births

43,998,136

Births per 1,000 people

21.3

Mean age of mothers

28.8

Births to mothers aged 15–19

11.4%

Net reproduction rate

1.26

Boys per 100 girls at birth

103.7

Population

2,065,706,076

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, 2054

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	1.2	0.2%	118,668
15-19	53.7	9.9%	5,016,435
20-24	122.7	22.7%	10,923,322
25-29	136.9	25.3%	11,496,321
30-34	116.5	21.5%	9,039,627
35-39	73.4	13.6%	5,126,126
40-44	30.5	5.6%	1,919,540
45-49	6.0	1.1%	343,797
50-54	0.3	0.1%	14,296

Fertility in Least developed countries by year

Fertility in Least developed countries, 2054

Year

Country