It's brought hundreds of millions of people out of poverty [0], drastically increased their life expectancies [1], and significantly improved their chances of making it to adulthood [2].
For more, see https://www.gapminder.org.
[0] https://www.gapminder.org/tools/#$model$markers$line$encodin...
[1] https://www.gapminder.org/tools/#$model$markers$line$encodin...
[2] https://www.gapminder.org/tools/#$model$markers$line$encodin...