Our World in Data

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A never-ending childhood of malaria

2026-09-07T00:00:00.000Z · Hannah Ritchie

How often do people in high-burden areas get malaria? Studies suggest that many children can experience five or more malaria infections a year.

Beef production in Brazil has been the largest driver of global deforestation in recent decades

2026-08-31T00:00:00.000Z · Hannah Ritchie

Most beef production in Brazil is to meet domestic rather than international demand.

The rise of electoral democracy

2026-08-24T00:00:00.000Z · Bastian Herre

How elections spread, voting rights expanded, and political competition developed around the world over the last two centuries.

Which countries have already passed peak population, and when will the rest do so?

2026-08-17T00:00:00.000Z · Hannah Ritchie

Falling fertility rates have created a unique scenario in human history: many countries are experiencing structural population decline.

138 million children are in child labor. What does this actually mean?

2026-08-10T00:00:00.000Z · Esteban Ortiz-Ospina

According to a UN report published last year, there are 138 million children in child labor. In this article, we look at what this estimate exactly captures.

How primary energy is measured has changed across our charts

2026-08-07T00:00:00.000Z · Hannah Ritchie

The Energy Institute no longer uses the substitution method to estimate primary energy. Here’s why that matters for our charts on energy.

What has driven deforestation in the 21st century?

2026-08-03T00:00:00.000Z · Hannah Ritchie

Agriculture has been the main driver of deforestation, but this has been concentrated in only a few commodities: mostly beef, palm oil, soy, and forestry products.

We published a new topic page on economic inequality

2026-07-27T00:00:00.000Z · Joe Hasell

Learn how inequality is measured, who produces key databases, and what the data tells us.

How much energy do data centers and artificial intelligence use?

2026-07-20T00:00:00.000Z · Hannah Ritchie

Data centers consume around 1.5% of global electricity, but demand is very geographically concentrated.

We have a new Urbanization topic page

2026-07-13T00:00:00.000Z · Esteban Ortiz-Ospina

Explore how populations are distributed across settlement types, which cities are growing fastest, what living conditions in urban areas look like, and much more.