China vs South Africa: Population Comparison 2025
BRICS contrasts. South Africa's HIV impact vs China's one-child legacy.
China
South Africa
Population Pyramids Comparison
Total Population
China
1416.1M
South Africa
64.7M
Youth (0-14)
China
15.4%
South Africa
25.7%
Elderly (65+)
China
14.9%
South Africa
6.9%
Demographic Analysis: China vs South Africa
In 2025, China has a population of 1.42B, while South Africa has 65M. This represents a difference of 1.35B, with China having 21.9 times the population of the other. China ranks #2 globally by population size, while South Africa ranks #24.
The median age reveals significant demographic differences: China has a median age of 41.1 years, compared to 29.7 years in South Africa. This 11.4-year difference indicates that China has a significantly older population, with important implications for workforce dynamics, healthcare needs, and economic development. The dependency ratio in China is 43.5%, while in South Africa it is 48.4%, showing the relative burden of non-working age populations on the workforce.
Gender balance differs between the two countries: China has a sex ratio of 103.69 males per female, while South Africa has 94.77. China 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 | China | South Africa | Difference / Ratio |
|---|---|---|---|
| Population Metrics | |||
| Total Population (2025) | 1.42B | 65M | 21.9x larger |
| World Population Ranking | #2 | #24 | 22 places apart |
| Population Growth Rate (5-year) | -0.14% | +1.35% | 1.49pp difference |
| Projected Growth (2025-2050) | 0.00% | 0.00% | 0.00pp difference |
| Age Structure | |||
| Median Age | 41.1 years | 29.7 years | 11.4 years older |
| Youth (0-14) Population | 15.4% | 25.7% | 10.3pp difference |
| Working Age (15-64) Population | 69.7% | 67.4% | 2.3pp difference |
| Elderly (65+) Population | 14.9% | 6.9% | 8.0pp difference |
| Youth Bulge (15-29) | 17.4% | 24.8% | 7.4pp difference |
| Prime Workforce (25-54) | 43.3% | 43.7% | 0.4pp difference |
| Demographic Indicators | |||
| Total Dependency Ratio | 43.5% | 48.4% | 4.9pp difference |
| Child Dependency Ratio | 22.1% | 38.2% | 16.1pp difference |
| Old-Age Dependency Ratio | 21.4% | 10.2% | 11.2pp difference |
| Sex Ratio (males per 100 females) | 103.7 | 94.8 | 8.9 difference |
| Total Fertility Rate | 1.00 children/woman | 2.22 children/woman | 1.22 difference |
| Estimated Birth Rate | 6.7 per 1,000 | 18.2 per 1,000 | 11.5 difference |
| Aging Index (65+/0-14) | 96.8% | 26.8% | 70.0pp difference |
| Population Pyramid Type | stationary | stationary | Same type |
📊 Understanding the Population Difference Chart
This visualization shows where and by how much the populations differ between China and South Africa for each age group, split by gender:
Left Side (Males)
Blue = China has more males
Green = South Africa has more males
Right Side (Females)
Pink = China has more females
Orange = South Africa 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 South Africa has more males in that age group.
Notable Differences (>20% variance):
Population Difference
1351.3M
China larger
Growth Since 1950
China
+160.3%
South Africa
+396.6%
Population Ratio
1 : 0.05
China : South Africa
| Metric | China | South Africa | Difference |
|---|---|---|---|
| Total Population | 1.42B | 64.7M | +2087.1% |
| Median Age | 41.1 years | 29.7 years | +11.4 |
| Youth Population (0-14) | 218.2M 15.4% | 16.7M 25.7% | +1210.0% |
| Working Age (15-64) | 986.8M 69.7% | 43.6M 67.4% | +2161.4% |
| Elderly Population (65+) | 211.2M 14.9% | 4.5M 6.9% | +4636.8% |
| Total Dependency Ratio | 43.5 per 100 | 48.4 per 100 | -4.9 |
| Youth Dependency Ratio | 22.1 per 100 | 38.2 per 100 | -16.1 |
| Old-Age Dependency Ratio | 21.4 per 100 | 10.2 per 100 | +11.2 |
| Sex Ratio | 103.7 M/100F | 94.8 M/100F | +8.9 |
| Population Structure Type | Stationary | Stationary | Same |
Total Population
China
1.42B
South Africa
64.7M
Median Age
China
41.1 years
South Africa
29.7 years
Youth Population (0-14)
China
218.2M
15.4%
South Africa
16.7M
25.7%
Working Age (15-64)
China
986.8M
69.7%
South Africa
43.6M
67.4%
Elderly Population (65+)
China
211.2M
14.9%
South Africa
4.5M
6.9%
Total Dependency Ratio
China
43.5 per 100
South Africa
48.4 per 100
Youth Dependency Ratio
China
22.1 per 100
South Africa
38.2 per 100
Old-Age Dependency Ratio
China
21.4 per 100
South Africa
10.2 per 100
Sex Ratio
China
103.7 M/100F
South Africa
94.8 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
South Africa became the world's most populous country, ending China's centuries-long reign