The total fertility rate of Less developed regions, excluding least developed countries is projected at 1.91 children per woman in 2039 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (118 per 1,000 women in that age group), and the average mother would be 28.8 years old. In total, 82,923,288 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2039

Total fertility rate

1.91

Births

82,923,288

Births per 1,000 people

13.3

Mean age of mothers

28.8

Births to mothers aged 15–19

5.5%

Net reproduction rate

0.90

Boys per 100 girls at birth

105.2

Population

6,214,229,594

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, 2039

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.4	0.1%	68,690
15-19	22.7	5.9%	4,528,365
20-24	88.2	23.0%	19,465,744
25-29	118.0	30.7%	26,506,441
30-34	92.6	24.1%	19,715,560
35-39	46.0	12.0%	9,433,807
40-44	13.8	3.6%	2,778,559
45-49	1.9	0.5%	399,665
50-54	0.1	0.0%	26,415

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

Fertility in Less developed regions, excluding least developed countries, 2039

Year

Country