Reported cases of leprosy in Japan
Japan: Reported cases of leprosy was 12 Cases in 2024. ◆ Volatile
Reported cases of leprosy in Japan, 2005–2024
Source: World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data. Measured in Cases.
Analysis
Japan recorded 12 Cases for reported cases of leprosy in 2024. That is the highest value across all 19 years on record.
The figure is up 200.0% on the previous year and up 140.0% over ten years.
Over the whole period, reported cases of leprosy in Japan peaked at 12 Cases in 2024 and was at its lowest, 2 Cases, in 2009.
Japan ranks 81st of 181 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Reported cases of leprosy in Japan, year by year
| Year | Cases | Change |
|---|---|---|
| 2005 | 6 Cases | — |
| 2006 | 7 Cases | +16.7% |
| 2007 | 11 Cases | +57.1% |
| 2008 | 3 Cases | -72.7% |
| 2009 | 2 Cases | -33.3% |
| 2010 | 4 Cases | +100.0% |
| 2012 | 3 Cases | -25.0% |
| 2013 | 3 Cases | +0.0% |
| 2014 | 5 Cases | +66.7% |
| 2015 | 7 Cases | +40.0% |
| 2016 | 3 Cases | -57.1% |
| 2017 | 2 Cases | -33.3% |
| 2018 | 2 Cases | +0.0% |
| 2019 | 5 Cases | +150.0% |
| 2020 | 4 Cases | -20.0% |
| 2021 | 3 Cases | -25.0% |
| 2022 | 2 Cases | -33.3% |
| 2023 | 4 Cases | +100.0% |
| 2024 | 12 Cases | +200.0% |
Japan compared with similar countries
- Japan's 12 Cases is above the median for high income countries, which is 1 Cases, 12.0× the median. (59 countries reporting)
- Japan's 12 Cases is below the median for East Asia & Pacific, which is 17.5 Cases, 69% of the median. (30 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 5.8 Cases | 2 Cases | 11 Cases | 5 |
| 2010s | 3.78 Cases | 2 Cases | 7 Cases | 9 |
| 2020s | 5 Cases | 2 Cases | 12 Cases | 5 |
Countries ranked near Japan
More reference data data for Japan
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 1.19 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.981 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 4.49 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.3629 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 4.49 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 3.98 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 4.16 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 5.57 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 23.74 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 1.98 (2050)
Frequently asked questions
- What is reported cases of leprosy in Japan?
- Reported cases of leprosy in Japan was 12 Cases in 2024, according to World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data.
- What is the highest reported cases of leprosy recorded in Japan?
- The highest recorded value was 12 Cases in 2024.
- What is the lowest reported cases of leprosy recorded in Japan?
- The lowest recorded value was 2 Cases in 2009.
- How does Japan rank for reported cases of leprosy?
- Japan ranks 81st out of 181 countries with data for 2024.
- Is reported cases of leprosy rising or falling in Japan?
- Over the last ten years it is up 140.0%. The long-run trend across the full record is volatile.
- Where does this Japan data come from?
- The figures come from World Health Organization – Global Health Observatory (2026) – with minor processing by Our World in Data, published as part of Reported cases of leprosy. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 19 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The number of new cases of leprosy reported each year. Leprosy is a disease caused by a bacterial infection that can lead to significant disabilities.