Side-by-side official data

Tokyo vs Ibaraki

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

At a glance. Tokyo 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

MeasureTokyo ↗Ibaraki ↗Absolute differenceHigher figure
Population ↗thousand people · 202414,178
2,806
11,372Tokyo
Total area ↗km² · 20242,200
6,098
3,898Ibaraki
Population density ↗people/km² · 20246,445
460
5,985Tokyo
Inhabitable area ↗km² · 20241,429
3,890
2,461Ibaraki
Inhabitable area density ↗people/km² · 20249,924
721
9,203Tokyo
Population aged 0–14 ↗thousand people · 20241,494
303
1,191Tokyo
Population aged 15–64 ↗thousand people · 20249,469
1,637
7,832Tokyo
Population aged 65+ ↗thousand people · 20243,215
866
2,349Tokyo
Private households ↗households · 20207,216,650
1,181,598
6,035,052Tokyo
Members per household ↗people · 20201.92
2.37
0.45Ibaraki
Live birth rate ↗per 1,000 people · 20236.4
5.4
1Tokyo
Death rate ↗per 1,000 people · 202310.2
13.7
3.5Ibaraki

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: Tokyo's population is 5.05× 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 →