The total fertility rate of Less developed regions is projected at 2.06 children per woman in 2063 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (120 per 1,000 women in that age group), and the average mother would be 29.2 years old. In total, 116,020,387 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2063

Total fertility rate

2.06

Births

116,020,387

Births per 1,000 people

13.2

Mean age of mothers

29.2

Births to mothers aged 15–19

6.6%

Net reproduction rate

0.97

Boys per 100 girls at birth

104.5

Population

8,816,277,327

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, 2063

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.5	0.1%	131,296
15-19	26.4	6.4%	7,656,400
20-24	86.1	20.9%	24,841,805
25-29	120.4	29.2%	34,208,500
30-34	103.3	25.1%	28,731,814
35-39	54.9	13.3%	14,896,579
40-44	17.7	4.3%	4,776,337
45-49	2.6	0.6%	740,495
50-54	0.1	0.0%	37,087

Fertility in Less developed regions by year

Fertility in Less developed regions, 2063

Year

Country