distribution of countries' level of preparedness. High-income levels were associated with a negative efect on the level of … countries, middle- and high-income groups had lower levels of preparedness to health risks, an indication of a sense of … a need to curb complacency in preparedness to health risks during pandemics by high-income countries. The negative trend …

of adults’ ability to swim without assistance. Individuals in high-income countries are considerably more likely to … report being able to swim without assistance than individuals in low-income countries. Disparities also exist within …

The share of low-income countries in global exports nearly tripled between 1990 and 2015, driven largely by the rapid … emergence of China as an exporting powerhouse. While research in economics had long acknowledged that trade with lower-income … countries could raise income inequality in Europe and the US, empirical estimates indicated only a modest contribution of trade …