Chile vs Argentina: Population Comparison 2026

Argentina has 26,057,885 more people than Chile (2.3× as many): 46.0 million vs 19.9 million in 2026. Median age is 37.4 in Chile and 33.3 in Argentina; fertility is 1.12 vs 1.51 children per woman.

Chile

2026
0
people
Median age
37.4
Fertility (TFR)
1.12
Working age (15–64)
68.8%
Trend
Growing (+0.43%)

Argentina

2026
0
people
Median age
33.3
Fertility (TFR)
1.51
Working age (15–64)
66.7%
Trend
Growing (+0.33%)

Population pyramids, 2026

Total Population

Chile

19.9M

vs

Argentina

46.0M

Youth (0-14)

Chile

16.1%

vs

Argentina

20.4%

Elderly (65+)

Chile

15.1%

vs

Argentina

12.9%

Where the two pyramids differ

The pyramids are overlaid so you can read the difference by age and sex: the longer bar in each band marks the country with more people of that age.

📊 Understanding the Population Difference Chart

This visualization shows where and by how much the populations differ between Chile and Argentina for each age group, split by gender:

Left Side (Males)

Blue = Chile has more males

Green = Argentina has more males

Right Side (Females)

Pink = Chile has more females

Orange = Argentina 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 Argentina has more males in that age group.

Notable Differences (>20% variance):

Ages 0-4: Argentina has 64.5% more people
Men: 831K more in Argentina • Women: 788K more in Argentina
Chile: 455K men, 437K women • Argentina: 1.3M men, 1.2M women
Population Ratio
892K
2.5M
Ages 5-9: Argentina has 65.6% more people
Men: 1.1M more in Argentina • Women: 1.0M more in Argentina
Chile: 552K men, 532K women • Argentina: 1.6M men, 1.5M women
Population Ratio
1.1M
3.2M
Ages 10-14: Argentina has 66.8% more people
Men: 1.3M more in Argentina • Women: 1.2M more in Argentina
Chile: 631K men, 608K women • Argentina: 1.9M men, 1.8M women
Population Ratio
1.2M
3.7M
Ages 15-19: Argentina has 66.0% more people
Men: 1.2M more in Argentina • Women: 1.2M more in Argentina
Chile: 630K men, 606K women • Argentina: 1.9M men, 1.8M women
Population Ratio
1.2M
3.6M
Ages 20-24: Argentina has 63.5% more people
Men: 1.1M more in Argentina • Women: 1.1M more in Argentina
Chile: 643K men, 623K women • Argentina: 1.8M men, 1.7M women
Population Ratio
1.3M
3.5M
Ages 25-29: Argentina has 57.4% more people
Men: 1.0M more in Argentina • Women: 970K more in Argentina
Chile: 747K men, 730K women • Argentina: 1.8M men, 1.7M women
Population Ratio
1.5M
3.5M
Ages 30-34: Argentina has 53.2% more people
Men: 954K more in Argentina • Women: 911K more in Argentina
Chile: 829K men, 812K women • Argentina: 1.8M men, 1.7M women
Population Ratio
1.6M
3.5M
Ages 35-39: Argentina has 51.1% more people
Men: 871K more in Argentina • Women: 837K more in Argentina
Chile: 825K men, 807K women • Argentina: 1.7M men, 1.6M women
Population Ratio
1.6M
3.3M
Ages 40-44: Argentina has 53.6% more people
Men: 863K more in Argentina • Women: 841K more in Argentina
Chile: 743K men, 732K women • Argentina: 1.6M men, 1.6M women
Population Ratio
1.5M
3.2M
Ages 45-49: Argentina has 56.0% more people
Men: 874K more in Argentina • Women: 856K more in Argentina
Chile: 684K men, 677K women • Argentina: 1.6M men, 1.5M women
Population Ratio
1.4M
3.1M
Ages 50-54: Argentina has 52.1% more people
Men: 699K more in Argentina • Women: 705K more in Argentina
Chile: 645K men, 647K women • Argentina: 1.3M men, 1.4M women
Population Ratio
1.3M
2.7M
Ages 55-59: Argentina has 45.8% more people
Men: 506K more in Argentina • Women: 533K more in Argentina
Chile: 608K men, 621K women • Argentina: 1.1M men, 1.2M women
Population Ratio
1.2M
2.3M
Ages 60-64: Argentina has 45.3% more people
Men: 447K more in Argentina • Women: 480K more in Argentina
Chile: 545K men, 574K women • Argentina: 993K men, 1.1M women
Population Ratio
1.1M
2.0M
Ages 65-69: Argentina has 46.9% more people
Men: 395K more in Argentina • Women: 457K more in Argentina
Chile: 464K men, 501K women • Argentina: 858K men, 959K women
Population Ratio
965K
1.8M
Ages 70-74: Argentina has 49.0% more people
Men: 319K more in Argentina • Women: 426K more in Argentina
Chile: 366K men, 409K women • Argentina: 685K men, 835K women
Population Ratio
775K
1.5M
Ages 75-79: Argentina has 51.2% more people
Men: 229K more in Argentina • Women: 367K more in Argentina
Chile: 260K men, 307K women • Argentina: 489K men, 674K women
Population Ratio
567K
1.2M
Ages 80-84: Argentina has 54.6% more people
Men: 138K more in Argentina • Women: 278K more in Argentina
Chile: 151K men, 195K women • Argentina: 289K men, 473K women
Population Ratio
346K
762K
Ages 85-89: Argentina has 51.3% more people
Men: 54K more in Argentina • Women: 158K more in Argentina
Chile: 82K men, 119K women • Argentina: 136K men, 276K women
Population Ratio
201K
413K
Ages 90-94: Argentina has 41.5% more people
Men: 11K more in Argentina • Women: 62K more in Argentina
Chile: 39K men, 64K women • Argentina: 49K men, 127K women
Population Ratio
103K
176K
Ages 95-99: Argentina has 26.7% more people
Men: 1K more in Chile • Women: 15K more in Argentina
Chile: 13K men, 25K women • Argentina: 11K men, 40K women
Population Ratio
38K
52K

Demographic comparison, 2026

IndicatorChileArgentinaDifference
Population (2026)19,945,84946,003,734Argentina has 26.1 million more (2.3×)
Change 2025–2026+0.4% (Growing)+0.3% (Growing)
Median age (2026)37.433.3Chile older by 4.1 yrs
Total fertility rate1.12 — 0.98 below replacement1.51 — 0.59 below replacement
Fertility rate, 2030 (UN projection)1.131.51
Birth rate (per 1,000)8.511.1
Population 2050 (UN projection)20.3 million (+1.9%)48.3 million (+5.0%)
Peak populationPeaks 2041Peaks 2050

Differences by age group, 2026

AgeChile (M / F)Argentina (M / F)Difference
0-4455K / 437K1286K / 1225KArgentina has 181.5% more people aged 0-4
5-9552K / 532K1617K / 1538KArgentina has 190.9% more people aged 5-9
10-14631K / 608K1916K / 1812KArgentina has 200.8% more people aged 10-14
15-19630K / 606K1869K / 1766KArgentina has 194.2% more people aged 15-19
20-24643K / 623K1774K / 1693KArgentina has 173.9% more people aged 20-24
25-29747K / 730K1769K / 1700KArgentina has 134.8% more people aged 25-29
30-34829K / 812K1783K / 1723KArgentina has 113.6% more people aged 30-34
35-39825K / 807K1696K / 1645KArgentina has 104.6% more people aged 35-39
40-44743K / 732K1606K / 1573KArgentina has 115.6% more people aged 40-44
45-49684K / 677K1558K / 1533KArgentina has 127.2% more people aged 45-49
50-54645K / 647K1344K / 1352KArgentina has 108.7% more people aged 50-54
55-59608K / 621K1114K / 1155KArgentina has 84.6% more people aged 55-59
60-64545K / 574K993K / 1053KArgentina has 82.9% more people aged 60-64
65-69464K / 501K858K / 959KArgentina has 88.3% more people aged 65-69
70-74366K / 409K685K / 835KArgentina has 96.1% more people aged 70-74
75-79260K / 307K489K / 674KArgentina has 105.0% more people aged 75-79
80-84151K / 195K289K / 473KArgentina has 120.3% more people aged 80-84
85-8982K / 119K136K / 276KArgentina has 105.2% more people aged 85-89
90-9439K / 64K49K / 127KArgentina has 71.1% more people aged 90-94
95-9913K / 25K11K / 40KArgentina has 36.5% more people aged 95-99
100+2K / 5K2K / 8KArgentina has 25.0% more people aged 100+

Frequently Asked Questions

Which has more people, Chile or Argentina?

Argentina has more: 46.0 million vs 19.9 million in 2026 — 2.3× as many, 26.1 million more people.

Which country is older?

Chile, with a median age of 37.4 vs 33.3 in Argentina (2026).

Which has higher fertility?

Argentina, at 1.51 children per woman vs 1.12 in Chile. Replacement is 2.1, so both are below it.

How will Chile and Argentina compare in 2050?

By 2050 the UN projects Chile at 20.3 million (+1.9% from 2026) and Argentina at 48.3 million (+5.0%).

Are Chile and Argentina growing or shrinking?

Chile is growing (+0.4% in 2026); Argentina is growing (+0.3%).