To reduce child mortality, we need to understand what children are dying from.<br><br><a href="https://ourworldindata.org/five-million-children-die-every-year-what-do-they-die-from"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b8650845-1cae-4503-540d-d1c6681b4900/w=1024"/></a>

Explore causes of death data for all countries, spanning more than four decades.<br><br><a href="https://ourworldindata.org/what-do-people-die-from-in-different-countries"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b18a3db6-93e7-4e72-3afa-ffae811d6800/w=1024"/></a>

Deaths from other animals are mostly caused by just two types: mosquitoes and snakes.<br><br><a href="https://ourworldindata.org/deadliest-animals"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ff4b0c82-f048-4f76-f5d8-fba6a57d6000/w=1024"/></a>

Both violent and property crime are far below their 1990s peak, but some crimes see periodic rises.<br><br><a href="https://ourworldindata.org/us-crime-rates"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ad8c75ab-b3e2-4325-b53e-cf62e26f2600/w=1024"/></a>

Innovations in medicines and biotechnology have increased life expectancy and saved many lives. Explore how this happened, and how more progress can be made.<br><br><a href="https://ourworldindata.org/medicine-biotech"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/9616ed87-e2c7-4b41-ef80-7ac6d428c800/w=1024"/></a>

Humans and livestock make up 95% of the world’s mammal biomass; wild mammals are just 5%.<br><br><a href="https://ourworldindata.org/wild-mammals-birds-biomass"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b86e8e53-9470-425a-0c59-7529f31e6200/w=1024"/></a>

A small number of species dominate the distribution of wild mammal biomass.<br><br><a href="https://ourworldindata.org/wild-mammal-biomass-dominance"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/44fe312c-c616-4780-34d9-f1828e1f7e00/w=1024"/></a>