10 things to know about hunger

Global hunger rose in 2017 for a third consecutive year, fuelled by conflict and climate change, the United Nations revealed in a report published on Tuesday. Obesity levels also increased.

Here are some facts and figures from the report.

- World hunger levels rose in 2017 for the third consecutive year.

- Globally 821 million people, or one in nine, do not have enough food to eat.

- In sub-Saharan Africa, more than one in four may have suffered from chronic hunger in 2017.

- Asia has the largest number of undernourished people due to is sheer size - 515 million.

- Nearly 151 million children under five suffered from stunting due to malnutrition, a condition that hampers physical and mental development.

- More than 50 million children under five are too thin for their height and more than 38 million are overweight.

- One in eight adults - 672 million - is obese.

- Almost 36 percent of countries that experienced a rise in hunger since 2005 also suffered from severe drought.

- Floods cause more climate-related disasters globally than any other extreme climate event.

- Between 2011 and 2016, 51 low- and middle-income countries experienced early or delayed onset of seasons.