The absolute number of undernourished people, i.e. those facing chronic food deprivation, has increased to nearly 821 million in 2017, from around 804 million in 2016.

In Africa, an estimated 256 million people, or 20 per cent of the population on the continent, were affected by undernourishment in 2017, often due to crises related to either adverse weather trends such as drought or armed conflict.
Heavily populated Asia saw a downward trend in the number of the hungry in 2017 as researchers documented roughly 515 million people, or 11.4 per cent of the population, suffering from food shortage.
Economic crises in South America spurred a slight increase in the number of undernourished to 39 million people, or 6.1 per cent of the total population including the Caribbean region.
"Adult obesity, on the other hand, is worsening," the report warned.
Adult obesity rates continue to rise each year, from 11.7 per cent in 2012 to 13.2 per cent in 2016. This means that in 2017 more than one in eight adults, or more than 672 million, in the world is obese, it added.
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