USA vs Saudi Arabia: Population Comparison 2026

The United States has 313,869,707 more people than Saudi Arabia (9.9× as many): 349.0 million vs 35.2 million in 2026. Median age is 38.7 in the United States and 29.7 in Saudi Arabia; fertility is 1.63 vs 2.27 children per woman.

United States

2026
0
people
Median age
38.7
Fertility (TFR)
1.63
Working age (15–64)
64.3%
Trend
Growing (+0.51%)

Saudi Arabia

2026
0
people
Median age
29.7
Fertility (TFR)
2.27
Working age (15–64)
73.4%
Trend
Growing (+1.73%)

Population pyramids, 2026

Total Population

United States

349.0M

vs

Saudi Arabia

35.2M

Youth (0-14)

United States

16.9%

vs

Saudi Arabia

23.4%

Elderly (65+)

United States

18.8%

vs

Saudi Arabia

3.2%

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 United States and Saudi Arabia for each age group, split by gender:

Left Side (Males)

Blue = United States has more males

Green = Saudi Arabia has more males

Right Side (Females)

Pink = United States has more females

Orange = Saudi Arabia 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 Saudi Arabia has more males in that age group.

Notable Differences (>20% variance):

Ages 0-4: United States has 569.4% more people
Men: 8.1M more in United States • Women: 7.7M more in United States
United States: 9.5M men, 9.1M women • Saudi Arabia: 1.4M men, 1.4M women
Population Ratio
18.6M
2.8M
Ages 5-9: United States has 607.8% more people
Men: 8.5M more in United States • Women: 8.1M more in United States
United States: 9.9M men, 9.5M women • Saudi Arabia: 1.4M men, 1.3M women
Population Ratio
19.4M
2.7M
Ages 10-14: United States has 672.1% more people
Men: 9.4M more in United States • Women: 8.9M more in United States
United States: 10.8M men, 10.2M women • Saudi Arabia: 1.4M men, 1.3M women
Population Ratio
21.0M
2.7M
Ages 15-19: United States has 798.9% more people
Men: 10.4M more in United States • Women: 9.8M more in United States
United States: 11.7M men, 11.0M women • Saudi Arabia: 1.3M men, 1.2M women
Population Ratio
22.7M
2.5M
Ages 20-24: United States has 740.5% more people
Men: 10.5M more in United States • Women: 10.2M more in United States
United States: 12.1M men, 11.4M women • Saudi Arabia: 1.6M men, 1.2M women
Population Ratio
23.5M
2.8M
Ages 25-29: United States has 549.6% more people
Men: 9.6M more in United States • Women: 9.7M more in United States
United States: 11.8M men, 11.0M women • Saudi Arabia: 2.2M men, 1.3M women
Population Ratio
22.8M
3.5M
Ages 30-34: United States has 491.4% more people
Men: 9.6M more in United States • Women: 10.0M more in United States
United States: 12.2M men, 11.3M women • Saudi Arabia: 2.6M men, 1.4M women
Population Ratio
23.5M
4.0M
Ages 35-39: United States has 531.6% more people
Men: 10.0M more in United States • Women: 10.5M more in United States
United States: 12.6M men, 11.8M women • Saudi Arabia: 2.6M men, 1.3M women
Population Ratio
24.3M
3.9M
Ages 40-44: United States has 634.0% more people
Men: 9.9M more in United States • Women: 10.3M more in United States
United States: 12.0M men, 11.3M women • Saudi Arabia: 2.2M men, 1.0M women
Population Ratio
23.3M
3.2M
Ages 45-49: United States has 848.9% more people
Men: 9.7M more in United States • Women: 9.9M more in United States
United States: 11.2M men, 10.7M women • Saudi Arabia: 1.5M men, 769K women
Population Ratio
21.9M
2.3M
Ages 50-54: United States has 1125.0% more people
Men: 9.2M more in United States • Women: 9.4M more in United States
United States: 10.3M men, 9.9M women • Saudi Arabia: 1.1M men, 550K women
Population Ratio
20.2M
1.6M
Ages 55-59: United States has 1646.3% more people
Men: 9.7M more in United States • Women: 9.9M more in United States
United States: 10.5M men, 10.3M women • Saudi Arabia: 769K men, 420K women
Population Ratio
20.8M
1.2M
Ages 60-64: United States has 2480.0% more people
Men: 10.0M more in United States • Women: 10.3M more in United States
United States: 10.5M men, 10.7M women • Saudi Arabia: 506K men, 316K women
Population Ratio
21.2M
822K
Ages 65-69: United States has 3933.9% more people
Men: 9.6M more in United States • Women: 10.2M more in United States
United States: 9.9M men, 10.4M women • Saudi Arabia: 291K men, 214K women
Population Ratio
20.3M
504K
Ages 70-74: United States has 6222.7% more people
Men: 7.9M more in United States • Women: 8.9M more in United States
United States: 8.0M men, 9.0M women • Saudi Arabia: 145K men, 125K women
Population Ratio
17.0M
269K
Ages 75-79: United States has 7275.0% more people
Men: 5.9M more in United States • Women: 7.0M more in United States
United States: 6.0M men, 7.1M women • Saudi Arabia: 94K men, 84K women
Population Ratio
13.2M
178K
Ages 80-84: United States has 7884.3% more people
Men: 3.6M more in United States • Women: 4.6M more in United States
United States: 3.6M men, 4.6M women • Saudi Arabia: 53K men, 51K women
Population Ratio
8.3M
104K
Ages 85-89: United States has 10517.5% more people
Men: 1.7M more in United States • Women: 2.6M more in United States
United States: 1.8M men, 2.6M women • Saudi Arabia: 19K men, 23K women
Population Ratio
4.4M
41K
Ages 90-94: United States has 13080.2% more people
Men: 688K more in United States • Women: 1.3M more in United States
United States: 694K men, 1.3M women • Saudi Arabia: 6K men, 9K women
Population Ratio
2.0M
15K
Ages 95-99: United States has 17863.5% more people
Men: 165K more in United States • Women: 382K more in United States
United States: 166K men, 384K women • Saudi Arabia: 995 men, 2K women
Population Ratio
550K
3K
Ages 100+: United States has 20282.5% more people
Men: 18K more in United States • Women: 59K more in United States
United States: 18K men, 59K women • Saudi Arabia: 86 men, 292 women
Population Ratio
77K
378

Demographic comparison, 2026

IndicatorUnited StatesSaudi ArabiaDifference
Population (2026)349,035,49435,165,787United States has 313.9 million more (9.9×)
Change 2025–2026+0.5% (Growing)+1.7% (Growing)
Median age (2026)38.729.7United States older by 9.0 yrs
Total fertility rate1.63 — 0.48 below replacement2.27 — 0.17 above replacement
Fertility rate, 2030 (UN projection)1.632.17
Birth rate (per 1,000)10.516.1
Population 2050 (UN projection)380.8 million (+9.1%)47.7 million (+35.6%)
Peak populationPeaks 2100Peaks 2100

Differences by age group, 2026

AgeUnited States (M / F)Saudi Arabia (M / F)Difference
0-49549K / 9091K1423K / 1362KUnited States has 569.4% more people aged 0-4
5-99938K / 9464K1395K / 1346KUnited States has 607.8% more people aged 5-9
10-1410774K / 10190K1379K / 1336KUnited States has 672.1% more people aged 10-14
15-1911671K / 11002K1299K / 1223KUnited States has 798.9% more people aged 15-19
20-2412122K / 11403K1621K / 1178KUnited States has 740.5% more people aged 20-24
25-2911801K / 11017K2241K / 1272KUnited States has 549.6% more people aged 25-29
30-3412170K / 11342K2597K / 1379KUnited States has 491.4% more people aged 30-34
35-3912570K / 11772K2582K / 1272KUnited States has 531.6% more people aged 35-39
40-4412004K / 11314K2151K / 1026KUnited States has 634.0% more people aged 40-44
45-4911227K / 10699K1542K / 769KUnited States has 848.9% more people aged 45-49
50-5410280K / 9907K1098K / 550KUnited States has 1125.0% more people aged 50-54
55-5910481K / 10283K769K / 420KUnited States has 1646.3% more people aged 55-59
60-6410548K / 10660K506K / 316KUnited States has 2480.0% more people aged 60-64
65-699910K / 10428K291K / 214KUnited States has 3933.9% more people aged 65-69
70-748040K / 8981K145K / 125KUnited States has 6222.7% more people aged 70-74
75-796042K / 7108K94K / 84KUnited States has 7275.0% more people aged 75-79
80-843636K / 4632K53K / 51KUnited States has 7884.3% more people aged 80-84
85-891758K / 2638K19K / 23KUnited States has 10517.5% more people aged 85-89
90-94694K / 1262K6K / 9KUnited States has 13080.2% more people aged 90-94
95-99166K / 384K1K / 2KUnited States has 17863.5% more people aged 95-99
100+18K / 59K0K / 0KUnited States has 20282.5% more people aged 100+

Frequently Asked Questions

Which has more people, USA or Saudi Arabia?

The United States has more: 349.0 million vs 35.2 million in 2026 — 9.9× as many, 313.9 million more people.

Which country is older?

The United States, with a median age of 38.7 vs 29.7 in Saudi Arabia (2026).

Which has higher fertility?

Saudi Arabia, at 2.27 children per woman vs 1.63 in the United States. Replacement is 2.1, so both are compared against it.

How will USA and Saudi Arabia compare in 2050?

By 2050 the UN projects the United States at 380.8 million (+9.1% from 2026) and Saudi Arabia at 47.7 million (+35.6%).

Are USA and Saudi Arabia growing or shrinking?

The United States is growing (+0.5% in 2026); Saudi Arabia is growing (+1.7%).