United States vs Bangladesh: Population Comparison 2025
Different stages of demographic transition. Bangladesh's remarkable progress vs US maturity.
United States
Bangladesh
Population Pyramids Comparison
Total Population
United States
347.3M
Bangladesh
175.7M
Youth (0-14)
United States
17.1%
Bangladesh
27.6%
Elderly (65+)
United States
18.4%
Bangladesh
6.7%
Demographic Analysis: United States vs Bangladesh
In 2025, United States has a population of 347M, while Bangladesh has 176M. This represents a difference of 172M, with United States having 2.0 times the population of the other. United States ranks #3 globally by population size, while Bangladesh ranks #8.
The median age reveals significant demographic differences: United States has a median age of 39.5 years, compared to 27.0 years in Bangladesh. This 12.5-year difference indicates that United States has a significantly older population, with important implications for workforce dynamics, healthcare needs, and economic development. The dependency ratio in United States is 55.0%, while in Bangladesh it is 52.2%, showing the relative burden of non-working age populations on the workforce.
Gender balance differs between the two countries: United States has a sex ratio of 100.99 males per female, while Bangladesh has 96.69. United States shows a higher proportion of males, which can affect marriage markets, labor force composition, and social dynamics. These ratios reflect various factors including sex-selective practices, differential mortality rates, and migration patterns.
Comprehensive Demographic Comparison 2025
| Indicator | United States | Bangladesh | Difference / Ratio |
|---|---|---|---|
| Population Metrics | |||
| Total Population (2025) | 347M | 176M | 2.0x larger |
| World Population Ranking | #3 | #8 | 5 places apart |
| Population Growth Rate (5-year) | +0.46% | +1.10% | 0.65pp difference |
| Projected Growth (2025-2050) | 0.00% | 0.00% | 0.00pp difference |
| Age Structure | |||
| Median Age | 39.5 years | 27.0 years | 12.5 years older |
| Youth (0-14) Population | 17.1% | 27.6% | 10.5pp difference |
| Working Age (15-64) Population | 64.5% | 65.7% | 1.2pp difference |
| Elderly (65+) Population | 18.4% | 6.7% | 11.7pp difference |
| Youth Bulge (15-29) | 19.7% | 27.5% | 7.8pp difference |
| Prime Workforce (25-54) | 39.1% | 40.0% | 0.8pp difference |
| Demographic Indicators | |||
| Total Dependency Ratio | 55.0% | 52.2% | 2.8pp difference |
| Child Dependency Ratio | 26.5% | 42.1% | 15.6pp difference |
| Old-Age Dependency Ratio | 28.5% | 10.2% | 18.3pp difference |
| Sex Ratio (males per 100 females) | 101.0 | 96.7 | 4.3 difference |
| Total Fertility Rate | 1.60 children/woman | 2.16 children/woman | 0.56 difference |
| Estimated Birth Rate | 10.7 per 1,000 | 19.2 per 1,000 | 8.5 difference |
| Aging Index (65+/0-14) | 107.5% | 24.1% | 83.4pp difference |
| Population Pyramid Type | constrictive | stationary | Different types |
📊 Understanding the Population Difference Chart
This visualization shows where and by how much the populations differ between United States and Bangladesh for each age group, split by gender:
Left Side (Males)
Blue = United States has more males
Green = Bangladesh has more males
Right Side (Females)
Pink = United States has more females
Orange = Bangladesh has more females
💡 How to Read: Each age group shows up to 2 bars - one on the left (male difference) and one on the right (female difference). The bar's color tells you which country has more people, and the bar's length shows by how much. For example, if you see a green bar on the left, it means Bangladesh has more males in that age group.
Notable Differences (>20% variance):
Population Difference
171.6M
United States larger
Growth Since 1950
United States
+125.2%
Bangladesh
+326.4%
Population Ratio
1 : 0.51
United States : Bangladesh
| Metric | United States | Bangladesh | Difference |
|---|---|---|---|
| Total Population | 347.3M | 175.7M | +97.7% |
| Median Age | 39.5 years | 27.0 years | +12.5 |
| Youth Population (0-14) | 59.4M 17.1% | 48.6M 27.6% | +22.3% |
| Working Age (15-64) | 224.0M 64.5% | 115.4M 65.7% | +94.1% |
| Elderly Population (65+) | 63.9M 18.4% | 11.7M 6.7% | +445.0% |
| Total Dependency Ratio | 55.0 per 100 | 52.2 per 100 | +2.8 |
| Youth Dependency Ratio | 26.5 per 100 | 42.1 per 100 | -15.6 |
| Old-Age Dependency Ratio | 28.5 per 100 | 10.2 per 100 | +18.3 |
| Sex Ratio | 101.0 M/100F | 96.7 M/100F | +4.3 |
| Population Structure Type | Constrictive | Stationary | Different |
Total Population
United States
347.3M
Bangladesh
175.7M
Median Age
United States
39.5 years
Bangladesh
27.0 years
Youth Population (0-14)
United States
59.4M
17.1%
Bangladesh
48.6M
27.6%
Working Age (15-64)
United States
224.0M
64.5%
Bangladesh
115.4M
65.7%
Elderly Population (65+)
United States
63.9M
18.4%
Bangladesh
11.7M
6.7%
Total Dependency Ratio
United States
55.0 per 100
Bangladesh
52.2 per 100
Youth Dependency Ratio
United States
26.5 per 100
Bangladesh
42.1 per 100
Old-Age Dependency Ratio
United States
28.5 per 100
Bangladesh
10.2 per 100
Sex Ratio
United States
101.0 M/100F
Bangladesh
96.7 M/100F
Note: Dependency ratios represent the number of dependents (youth + elderly) per 100 working-age individuals. Higher ratios indicate greater economic burden on the working population.
Note: The replacement fertility rate of 2.1 is the level at which a population exactly replaces itself from one generation to the next.Both countries are experiencing demographic transitions as they develop economically. Countries below 2.1 face potential population decline without immigration, while those above 2.1 continue growing naturally.
Historic Milestone: 2023
Bangladesh became the world's most populous country, ending United States's centuries-long reign