The total fertility rate of Less developed regions, excluding least developed countries is projected at 1.99 children per woman in 2028 — below the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (122 per 1,000 women in that age group), and the average mother would be 28.3 years old. In total, 83,346,109 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2028

Total fertility rate

1.99

Births

83,346,109

Births per 1,000 people

14.3

Mean age of mothers

28.3

Births to mothers aged 15–19

7.1%

Net reproduction rate

0.92

Boys per 100 girls at birth

105.7

Population

5,847,516,150

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, 2028

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.5	0.1%	113,381
15-19	26.0	6.6%	5,894,740
20-24	102.4	25.8%	21,871,637
25-29	122.1	30.8%	25,341,102
30-34	86.7	21.8%	17,777,749
35-39	42.7	10.8%	9,073,412
40-44	13.7	3.4%	2,789,993
45-49	2.5	0.6%	454,854
50-54	0.2	0.0%	29,211

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

Fertility in Less developed regions, excluding least developed countries, 2028

Year

Country