33-year-olds in the US today

There are more 33-year-olds in the US today than any other age group, according to a population statistic reported by Torsten Sløk, Chief Economist of Apollo Global Management based on the data provided by PopulationPyramid.net.

In the article, Sløk states that while the most common age group in the US is 33—in China it is 54, and in Korea it is 53. To be more specific, 3.6% of the US population is 30-39 years old, which is the highest percentage, according to PP. The second highest percentage is 3.4%, and each of the following age groups falls in this category.

15-19 year olds (3.4%)

20-24 year olds (3.4%) 

25-29 year olds (3.4%) 

40-44 year olds (3.4%) 

Following suit, from largest to smallest:

45-49 year olds (3.2%) 

60-64 year olds (3.1%) 

10-14 year olds (3.1%)

50-59 year olds (3%) 

5-9 year olds (2.9%)

65-69 year olds (2.8%) 

0-4 year olds (2.7%) 

70-74 year olds (2.2%). 

75-79 year olds (1.7%)

80-84 year olds (1.0%) 

85-89 year olds (0.5%)

95-99 year olds (0.2%)

Note: Surprisingly, if we look ahead to the year 2100, the population percentage of older people and younger people does not change drastically— despite current expectations that science and technology will impact longevity and fertility, helping more people conceive children and live longer, healthier lives.

2025—TODAY

In 2025, 0-4 year olds = 2.7%

In 2025, 80-84 year olds = 1% 

In 2025, 85-89 year olds = .5%

2035 —IN 10 YEARS

By 2035, the percentage of 0-4 year olds remains the same, 2.7%

By 2035, 80-84 year olds will account for 1.3% —up from 1% in 2025

By 2035, 85-89 year olds will account for .9%— up from .5% in 2025  Note: The most common age range in America in 2035 will be 25-29 year olds (3.7%)

2050—IN 25 YEARS

By 2050, 0-4 year olds will account for 2.6% —down from 2.7% in 2025

By 2050, 80-84 year olds will account for 1.8%—up from 1% in 2025 

By 2050, 85-89 year olds will account for 1.3%—up from .5% in 2025

Note: The most common age range in America in 2050 will be 40-44 year olds (3.5%)

2070—IN 45 YEARS

By 2070, 0-4 year olds will account for 2.5% down from 2.7% in 2025

By 2070, 80-84 year olds will account for 2.1%—up from 1% in 2025

By 2070, 85-89 year olds will account for 1.6%—up from .5% in 2025

Note: The most common age ranges in America in 2070 will be 25-29 year olds; 30-34 year olds, and 60-64 year olds. (Each at 3.2%)

2088 —IN 63 YEARS

By 2088, 0-4 year olds will account for 2.4%—down from 2.7% in 2025

By 2088, 80-84 year olds will account for 2.4%—up from 1% in 2025

By 2088, 85-89 year olds will account for 2.8% —up from .5% in 2025

Note: The most common age ranges in America in 2088 will be 30-34 year olds; 35-39 year olds, 40-44 year olds and 45-49 year olds. (Each at 3.1%)

2100—IN 75 YEARS

By 2100, 0-4 year olds will account for 2.4%—down from 2.7% in 2025

By 2100, 80-84 year olds will account for 2.3%—up from 1% in 2025

By 2100, 85-89 year olds will account for 2%—up from .5% in 2025

Note: The most common age ranges in America in 2100 will be 25-29 year olds and 30-34 year olds. (Each at 3.1%)

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CHILDREN AGED 0-4 YEARS OLD

The US population today is roughly 347 million with 2.7% aged at 0-4 years old, according to PP's numbers. 

Note: Since the 1950's, the highest percentage of 0-4 year olds in the US was 5.8% and occurred from 1956-1961.

From 1961 to 2025, the percentage of children aged 0-4 in the US incrementally declined. PP reports:  

1961 = 5.8%

1967 = 4.9%

1971 = 4.4%

1974 = 4.0%

1980s remained steady at 3.9%

1990s started at 3.9% and ended the decade at 3.5%

2000-2010 = steady at 3.4%

2010-2020 went from 3.4% down to 2.9% 

PopulationPyramid predicts that:

• From 2025-2050, the percentage of children aged 0-4 years will remain the same at 2.7%.

• By 2100, no dramatic change, children 0-4 years goes from 2.7% to 2.4%. 

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GLOBAL SNAPSHOT: 0-4 Year Olds

USA 

Population: 347+ million

2.7% 0-4 year olds

India

Population: 1.43+ billion  

4.0% 0-4 year olds 

India is about 1/3rd the size of the USA

China

Population: 1.41+ billion 

1.8% 0-4 year olds 

China's landmass is similar in size to the USA

Russia

Population 143+ million

2.4% 0-4 year olds

Russia is 1.8x larger than America in terms of landmass. Siberia makes up for 77% of Russia's landmass. 

Korea.

Population 51+ million.

1.2% 0-4 year olds

*South Korea is about the size of Utah. The whole of Korea is about the size of the UK.

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Largest Percentage of Common Age Groups per Country

Sample list: 2025

United States: 30-34 years old 

India: 20-24 years old

China: 35-39 years old 

Russia: 35-39 years old 

Ukraine: 35-39 years old 

Iran: 35-39 years old

UK: 30-34 years old

UAE: 35-39 years old

Saudi Arabia: 30-34 years old 

Singapore: 30-34 years old 

El Salvador: 25-29 years old 

Iraq:10-14 years old 

Italy: 55-59 years old 

Germany: 55-59 years old 

Turkey: 45-49 years old 

US Virgin Islands: 60 years old 

Venezuela: 15-19 years old 

• Some countries with the highest common age range of 0-4 year olds are: 

Nigeria (West Africa)

Population: 237+ million

7.3%

Pakistan (South Asia)

Population: 255+ million

6.4%

Somalia (horn of Africa)

Population: 19+million

9.3%

Niger (West Africa)

Population:

27+ million

8.9%

Mali (West Africa)

Population: 25+ million

8.7%

Mozambique (Southeast Africa)

Population: 35+ million

8.3%

Yemen (Southern Arabia)

Population: 41+million

8.1%

Tanzania (East Africa)

Population: 70+ million

8.1%

Mayotte (French island off East Africa)

Population: 337,010

8% 

Uganda (East Africa)

Population: 51+ million

8%

Sudan (Northeast Africa)

Population: 51+ million

7.6% 

Zambia (Southern Africa)

Population: 21+ million

7.4%

Madagascar (Southeast Africa) 

Population: 32+ million

7.3%

Malawi (Southern Africa)

Population: 22+ million

7.2% 

Liberia (West Africa)

Population: 5+ million

7%

Zimbabwe (Southern Africa)

Population: 16+ million

7%

Togo (West Africa)

Population: 9+ million

7%

Senegal (West Africa)

Population: 18+million

6.8%

Sierra Leone (West Africa)

Population: 8+million

6.8%

Vanuatu (South Pacific)  

Population: 335,169

6.8%

Rwanda (Central Africa) 

Population: 14+million

6.6%

Solomon Islands (South Pacific) 

Population: 838,645

6.5%

Kenya (East Africa)

Population: 57 million

6.3%

Uzbekistan (Central Asia)

Population: 37+million

6.3%

Tajikistan (Central Asia) 

Population: 10+ million

6.3% 

Pakistan (South Asia)

Population: 255+ million  

6.4%

Kiribati (island Micronesia)

Population: 136,488   

6.1%

Papua New Guinea (Indonesia)

Population: 10 million

5.9%

Swaziland (South Africa)

Population: 1+million  

5.7%

Haiti (Caribbean island)

Population: 11+ million

4.9%

Paraguay (South America)

Population: 7+ million 

4.9%

Israel (Middle East)

Population: 9+million

4.7%