The total fertility rate of Less developed regions, excluding least developed countries is projected at 1.91 children per woman in 2042 — 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, 82,152,199 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2042

Total fertility rate

1.91

Births

82,152,199

Births per 1,000 people

13.1

Mean age of mothers

28.9

Births to mothers aged 15–19

5.2%

Net reproduction rate

0.90

Boys per 100 girls at birth

105.1

Population

6,292,824,744

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, 2042

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.3	0.1%	61,803
15-19	21.8	5.7%	4,251,799
20-24	87.7	22.9%	18,114,075
25-29	116.5	30.4%	26,129,844
30-34	93.8	24.5%	20,658,552
35-39	46.9	12.3%	9,730,001
40-44	13.9	3.6%	2,812,163
45-49	1.9	0.5%	368,992
50-54	0.1	0.0%	24,915

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

Fertility in Less developed regions, excluding least developed countries, 2042

Year

Country