The total fertility rate of Less developed regions, excluding least developed countries is projected at 1.92 children per woman in 2046 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (117 per 1,000 women in that age group), and the average mother would be 28.9 years old. In total, 80,377,700 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2046

Total fertility rate

1.92

Births

80,377,700

Births per 1,000 people

12.6

Mean age of mothers

28.9

Births to mothers aged 15–19

5.0%

Net reproduction rate

0.90

Boys per 100 girls at birth

105.1

Population

6,379,795,340

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, 2046

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.3	0.1%	54,451
15-19	20.5	5.3%	3,981,459
20-24	86.8	22.7%	16,869,642
25-29	117.4	30.6%	24,755,458
30-34	94.6	24.7%	21,160,220
35-39	47.7	12.5%	10,312,589
40-44	14.0	3.7%	2,858,689
45-49	1.8	0.5%	361,280
50-54	0.1	0.0%	23,827

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

Fertility in Less developed regions, excluding least developed countries, 2046

Year

Country