The total fertility rate of Less developed regions, excluding least developed countries is projected at 1.76 children per woman in 2099 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (109 per 1,000 women in that age group), and the average mother would be 30.2 years old. In total, 58,220,403 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2099

Total fertility rate

1.76

Births

58,220,403

Births per 1,000 people

9.8

Mean age of mothers

30.2

Births to mothers aged 15–19

2.6%

Net reproduction rate

0.84

Boys per 100 girls at birth

104.9

Population

5,959,403,978

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, 2099

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.1	0.0%	10,342
15-19	9.7	2.8%	1,511,155
20-24	55.6	15.8%	8,900,903
25-29	108.7	30.8%	17,872,544
30-34	108.3	30.7%	18,081,825
35-39	54.5	15.5%	9,188,046
40-44	14.0	4.0%	2,381,727
45-49	1.5	0.4%	264,074
50-54	0.1	0.0%	9,714

Fertility in Less developed regions, excluding least developed countries by year

Fertility in Less developed regions, excluding least developed countries, 2099

Year

Country