The total fertility rate of Less developed regions, excluding China is projected at 2.55 children per woman in 2028 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (144 per 1,000 women in that age group), and the average mother would be 28.2 years old. In total, 112,933,809 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2028

Total fertility rate

2.55

Births

112,933,809

Births per 1,000 people

19.8

Mean age of mothers

28.2

Births to mothers aged 15–19

10.0%

Net reproduction rate

1.17

Boys per 100 girls at birth

104.8

Population

5,710,761,096

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	1.1	0.2%	294,961
15-19	44.9	8.8%	11,269,646
20-24	130.6	25.6%	30,843,185
25-29	144.0	28.2%	32,198,718
30-34	105.8	20.7%	22,269,399
35-39	58.1	11.4%	11,488,581
40-44	21.3	4.2%	3,889,075
45-49	4.0	0.8%	644,428
50-54	0.3	0.1%	35,774

Fertility in Less developed regions, excluding China by year

Fertility in Less developed regions, excluding China, 2028

Year

Country