Japan vs Tonga: Number of tsunamis
Japan
3 events
in 2024
Tonga
4 events
in 2022
Japan rank
2nd
Tonga rank
1st
Number of tsunamis over time
- Japan
- Tonga
How they compare
Tonga currently reports 4 events against 3 events in Japan, a difference of 1 events.
That makes Tonga's figure about 1.3 times Japan's.
The two have swapped places 4 times across 8 shared years of data; in 1892 it was Tonga ahead.
Japan ranks 2nd and Tonga ranks 1st of 38 countries.
Across the 6 decades both report, Japan averaged higher in 2 and Tonga in 1.
Head to head by decade
| Decade | Japan | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1890s | 1 events | 1 events | 0 events | — |
| 1940s | 1 events | 1 events | 0 events | — |
| 1980s | 3 events | 1 events | 2 events | Japan |
| 1990s | 1 events | 1 events | 0 events | — |
| 2000s | 1.5 events | 1 events | 0.5 events | Japan |
| 2020s | 1 events | 4 events | 3 events | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of tsunamis, Japan or Tonga?
- Tonga, at 4 events against 3 events in Japan as of 2022.
- What is the difference in number of tsunamis between Japan and Tonga?
- 1 events, with Tonga ahead.
- How many years of comparable data are there for Japan and Tonga?
- 8 years are reported by both, from 1892 to 2022.
- How do Japan and Tonga rank globally for number of tsunamis?
- Japan ranks 2nd and Tonga ranks 1st of 38 countries.
- Where does this data come from?
- National Geophysical Data Center / World Data Service (2025) – with major processing by Our World in Data, published as Number of tsunamis. Statizoid refreshes it automatically from the source and publishes the full history for both places.