How much would fertility rates, life expectancy, or migration rates need to change to stop the population from shrinking?<br><br><a href="https://ourworldindata.org/south-koreas-population-is-set-to-shrink-what-would-it-take-to-stop-the-decline"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/133452ba-5209-482d-089c-c51f5b48b900/w=1024"/></a>

We created an interactive tool that lets you test how changes in fertility rates, life expectancy, and migration rates will change future populations.<br><br><a href="https://ourworldindata.org/population-simulation-tool"><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/95c9945f-c253-4abe-cb79-a28adf7aea00/w=1024"/></a>