Japan's nominal gross national income (GNI) -- which is a measure of the nation's nominal GDP plus net income from overseas sources -- is about 4 percent larger than GDP, showing that Japan's economic structure has steadily changed to one in which manufacturers make profits from production overseas.
Productivity has stagnated in Kenya and Uganda and fallen by nearly half in Burundi since the early 1990s. BIS central bankers’ speeches  1  There are, of course, differences in labour productivity within each country. In general, labour productivity is higher than the average in export crop agriculture (coffee, flowers, etc) but lower than average in food crop agriculture.