Japan vs Sri Lanka: Sweet potatoes — Area harvested, per square kilometre
Japan
0.0878 ha per square kilometre
in 2023
Sri Lanka
0.0723 ha per square kilometre
in 2023
Japan rank
36th
Sri Lanka rank
39th
Sweet potatoes — Area harvested, per square kilometre over time
- Japan
- Sri Lanka
How they compare
Japan currently reports 0.0878 ha per square kilometre against 0.0723 ha per square kilometre in Sri Lanka, a difference of 0.0155 ha per square kilometre.
That makes Japan's figure about 1.2 times Sri Lanka's.
The two have swapped places 4 times across 63 shared years of data; in 1961 it was Japan ahead.
Japan ranks 36th and Sri Lanka ranks 39th of 99 countries.
Across the 7 decades both report, Japan averaged higher in 4 and Sri Lanka in 3.
Head to head by decade
| Decade | Japan | Sri Lanka | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.7157 ha per square kilometre | 0.2458 ha per square kilometre | 0.4699 ha per square kilometre | Japan |
| 1970s | 0.2209 ha per square kilometre | 0.4331 ha per square kilometre | 0.2122 ha per square kilometre | Sri Lanka |
| 1980s | 0.1765 ha per square kilometre | 0.229 ha per square kilometre | 0.0525 ha per square kilometre | Sri Lanka |
| 1990s | 0.1404 ha per square kilometre | 0.1507 ha per square kilometre | 0.0103 ha per square kilometre | Sri Lanka |
| 2000s | 0.1124 ha per square kilometre | 0.1117 ha per square kilometre | 0.0007 ha per square kilometre | Japan |
| 2010s | 0.1021 ha per square kilometre | 0.0785 ha per square kilometre | 0.0236 ha per square kilometre | Japan |
| 2020s | 0.089 ha per square kilometre | 0.0673 ha per square kilometre | 0.0217 ha per square kilometre | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher sweet potatoes — area harvested, per square kilometre, Japan or Sri Lanka?
- Japan, at 0.0878 ha per square kilometre against 0.0723 ha per square kilometre in Sri Lanka as of 2023.
- What is the difference in sweet potatoes — area harvested, per square kilometre between Japan and Sri Lanka?
- 0.0155 ha per square kilometre, with Japan ahead.
- How many years of comparable data are there for Japan and Sri Lanka?
- 63 years are reported by both, from 1961 to 2023.
- How do Japan and Sri Lanka rank globally for sweet potatoes — area harvested, per square kilometre?
- Japan ranks 36th and Sri Lanka ranks 39th of 99 countries.
- Where does this data come from?
- Statizoid (derived), published as Sweet potatoes — Area harvested, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Sweet potatoes — Area harvested divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.