The total fertility rate of Less developed regions, excluding China is projected at 2.20 children per woman in 2055 — above the replacement level of about 2.1. Births are projected to be most frequent among women aged 25-29 (128 per 1,000 women in that age group), and the average mother would be 28.9 years old. In total, 112,622,563 babies are projected to be born. Source: United Nations, World Population Prospects 2024 (medium-variant projection).

Key indicators, 2055

Total fertility rate

2.20

Births

112,622,563

Births per 1,000 people

15.3

Mean age of mothers

28.9

Births to mothers aged 15–19

7.5%

Net reproduction rate

1.03

Boys per 100 girls at birth

104.4

Population

7,356,309,040

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, 2055

Mother's age	Births per 1,000 women	Share of total fertility	Births
10-14	0.6	0.1%	157,807
15-19	31.3	7.1%	8,407,816
20-24	98.1	22.3%	25,881,266
25-29	128.1	29.1%	32,983,486
30-34	104.7	23.8%	26,183,656
35-39	55.6	12.6%	13,730,686
40-44	18.8	4.3%	4,546,951
45-49	3.0	0.7%	694,194
50-54	0.2	0.0%	36,644

Fertility in Less developed regions, excluding China by year

Fertility in Less developed regions, excluding China, 2055

Year

Country