Side-by-side official data

Saitama vs Ibaraki

12 sourced measures, clear differences, and reference years you can check.

At a glance. Saitama has the larger population in the 2024 estimates. Ibaraki has the larger total area. Population and area are rounded in the official source.
The comparison

How the figures differ

MeasureSaitama ↗Ibaraki ↗Absolute differenceHigher figure
Population ↗thousand people · 20247,332
2,806
4,526Saitama
Total area ↗km² · 20243,798
6,098
2,300Ibaraki
Population density ↗people/km² · 20241,931
460
1,471Saitama
Inhabitable area ↗km² · 20242,603
3,890
1,287Ibaraki
Inhabitable area density ↗people/km² · 20242,817
721
2,096Saitama
Population aged 0–14 ↗thousand people · 2024814
303
511Saitama
Population aged 15–64 ↗thousand people · 20244,500
1,637
2,863Saitama
Population aged 65+ ↗thousand people · 20242,018
866
1,152Saitama
Private households ↗households · 20203,157,627
1,181,598
1,976,029Saitama
Members per household ↗people · 20202.28
2.37
0.09Ibaraki
Live birth rate ↗per 1,000 people · 20235.9
5.4
0.5Saitama
Death rate ↗per 1,000 people · 202311.8
13.7
1.9Ibaraki

Higher means a larger numerical value; it does not mean a better outcome. Age-group populations are published in thousands. Ratios use the rounded published figures: Saitama's population is 2.61× Ibaraki's.

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Sources. Statistical Handbook of Japan 2026 and Japan Statistical Yearbook 2026, Statistics Bureau of Japan. Reference years are shown per measure. Snapshot reviewed 2026-10-08. Methodology →