| Country | Percentage above or below Japan's level |
|---|---|
| Mexico | -45 |
| South Korea | -8 |
| United Kingdom | +11 |
| Germany | +24 |
| United States | +38 |
Figure 3: GDP per hour worked, nominal values at Purchasing Power Parities (PPPs), percentage above or below Japan's level, 2023.
With specific reference to Figure 3, explain why international comparisons of labor productivity are measured using 'GDP per hour worked, nominal values at Purchasing Power Parities (PPPs)'.