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- Median age
- 38.7
- Fertility (TFR)
- 1.63
- Working age (15–64)
- 64.3%
- Trend
- Growing (+0.51%)
Saudi Arabia
2026- 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
Saudi Arabia
35.2M
Youth (0-14)
United States
16.9%
Saudi Arabia
23.4%
Elderly (65+)
United States
18.8%
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):
Demographic comparison, 2026
| Indicator | United States | Saudi Arabia | Difference |
|---|---|---|---|
| Population (2026) | 349,035,494 | 35,165,787 | United States has 313.9 million more (9.9×) |
| Change 2025–2026 | +0.5% (Growing) | +1.7% (Growing) | |
| Median age (2026) | 38.7 | 29.7 | United States older by 9.0 yrs |
| Total fertility rate | 1.63 — 0.48 below replacement | 2.27 — 0.17 above replacement | |
| Fertility rate, 2030 (UN projection) | 1.63 | 2.17 | |
| Birth rate (per 1,000) | 10.5 | 16.1 | |
| Population 2050 (UN projection) | 380.8 million (+9.1%) | 47.7 million (+35.6%) | |
| Peak population | Peaks 2100 | Peaks 2100 |
Differences by age group, 2026
| Age | United States (M / F) | Saudi Arabia (M / F) | Difference |
|---|---|---|---|
| 0-4 | 9549K / 9091K | 1423K / 1362K | United States has 569.4% more people aged 0-4 |
| 5-9 | 9938K / 9464K | 1395K / 1346K | United States has 607.8% more people aged 5-9 |
| 10-14 | 10774K / 10190K | 1379K / 1336K | United States has 672.1% more people aged 10-14 |
| 15-19 | 11671K / 11002K | 1299K / 1223K | United States has 798.9% more people aged 15-19 |
| 20-24 | 12122K / 11403K | 1621K / 1178K | United States has 740.5% more people aged 20-24 |
| 25-29 | 11801K / 11017K | 2241K / 1272K | United States has 549.6% more people aged 25-29 |
| 30-34 | 12170K / 11342K | 2597K / 1379K | United States has 491.4% more people aged 30-34 |
| 35-39 | 12570K / 11772K | 2582K / 1272K | United States has 531.6% more people aged 35-39 |
| 40-44 | 12004K / 11314K | 2151K / 1026K | United States has 634.0% more people aged 40-44 |
| 45-49 | 11227K / 10699K | 1542K / 769K | United States has 848.9% more people aged 45-49 |
| 50-54 | 10280K / 9907K | 1098K / 550K | United States has 1125.0% more people aged 50-54 |
| 55-59 | 10481K / 10283K | 769K / 420K | United States has 1646.3% more people aged 55-59 |
| 60-64 | 10548K / 10660K | 506K / 316K | United States has 2480.0% more people aged 60-64 |
| 65-69 | 9910K / 10428K | 291K / 214K | United States has 3933.9% more people aged 65-69 |
| 70-74 | 8040K / 8981K | 145K / 125K | United States has 6222.7% more people aged 70-74 |
| 75-79 | 6042K / 7108K | 94K / 84K | United States has 7275.0% more people aged 75-79 |
| 80-84 | 3636K / 4632K | 53K / 51K | United States has 7884.3% more people aged 80-84 |
| 85-89 | 1758K / 2638K | 19K / 23K | United States has 10517.5% more people aged 85-89 |
| 90-94 | 694K / 1262K | 6K / 9K | United States has 13080.2% more people aged 90-94 |
| 95-99 | 166K / 384K | 1K / 2K | United States has 17863.5% more people aged 95-99 |
| 100+ | 18K / 59K | 0K / 0K | United 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%).