The total fertility rate of Less developed regions is projected at 1.94 children per woman in 2085 — 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, 107,060,989 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2085

Total fertility rate

1.94

Births

107,060,989

Births per 1,000 people

11.8

Mean age of mothers

29.6

Births to mothers aged 15–19

5.0%

Net reproduction rate

0.92

Boys per 100 girls at birth

104.4

Population

9,080,935,618

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, 2085

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.3	0.1%	69,868
15-19	19.5	5.0%	5,334,139
20-24	72.1	18.6%	19,717,253
25-29	114.3	29.5%	31,444,176
30-34	105.7	27.3%	29,393,915
35-39	55.9	14.4%	15,697,421
40-44	16.9	4.4%	4,734,063
45-49	2.3	0.6%	643,730
50-54	0.1	0.0%	26,271

Fertility in Less developed regions by year

Fertility in Less developed regions, 2085

Year

Country