The total fertility rate of Less developed regions, excluding least developed countries is projected at 1.91 children per woman in 2043 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (116 per 1,000 women in that age group), and the average mother would be 28.9 years old. In total, 81,826,183 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2043

Total fertility rate

1.91

Births

81,826,183

Births per 1,000 people

13.0

Mean age of mothers

28.9

Births to mothers aged 15–19

5.1%

Net reproduction rate

0.90

Boys per 100 girls at birth

105.1

Population

6,316,558,159

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, 2043

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.3	0.1%	59,829
15-19	21.5	5.6%	4,179,107
20-24	87.7	22.9%	17,696,102
25-29	116.3	30.3%	25,851,362
30-34	94.2	24.6%	20,940,296
35-39	47.3	12.3%	9,891,524
40-44	13.9	3.6%	2,821,572
45-49	1.8	0.5%	361,839
50-54	0.1	0.0%	24,481

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

Fertility in Less developed regions, excluding least developed countries, 2043

Year

Country