Empire of Japan: Map & Borders Over Time
Empire of Japan appears on 4 of the 39 border maps, from 1914 to 1938. Its mapped territory was largest in 1938, at roughly 1.79 million km². Chronica Maps groups it with the Japan lineage, shown in the same colour across periods.
Open 1938 in the interactive map
Territory of Empire of Japan over time
Approximate area on each border map.
| Map year | Approx. area | Change |
|---|---|---|
| 1914 | 670,000 km² | – |
| 1920 | 700,000 km² | +5% |
| 1930 | 700,000 km² | +0% |
| 1938 | 1.79 million km² | +154% |