Business Insider: OK, Haters, It's Time To Admit It: The World Is Becoming A Better Place
The article includes this graph:
Then this one about poverty:
There are many other graphs that could be shown about a host of important social indicators but the article closes with the most important one: life expectancy. Improvements in life expectancy require that a wide range of variables move in a positive direction and for that reason an improvement in life expectancy is often a proxy for overall well-being.
The author closes with:
So complain all you want about how horrible everything is. There's certainly a lot left to fix. But as you complain, remember:
The world is getting better all the time.