The total fertility rate of Less developed regions, excluding least developed countries is projected at 1.82 children per woman in 2073 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (114 per 1,000 women in that age group), and the average mother would be 29.6 years old. In total, 68,623,851 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2073

Total fertility rate

1.82

Births

68,623,851

Births per 1,000 people

10.7

Mean age of mothers

29.6

Births to mothers aged 15–19

3.7%

Net reproduction rate

0.86

Boys per 100 girls at birth

105.0

Population

6,430,462,832

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, 2073

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.1	0.0%	23,648
15-19	14.3	3.9%	2,519,016
20-24	68.9	18.9%	12,578,790
25-29	113.7	31.2%	21,505,440
30-34	101.5	27.9%	19,496,561
35-39	49.9	13.7%	9,545,054
40-44	13.8	3.8%	2,608,861
45-49	1.8	0.5%	328,140
50-54	0.1	0.0%	18,284

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

Fertility in Less developed regions, excluding least developed countries, 2073

Year

Country