Indeed, according to World Bank, the number of people living in poverty is decreasing.

% from 1820 - 2015:

https://ourworldindata.org/slides/world-poverty/#/declining-...

Distribution 1988:

https://ourworldindata.org/slides/world-poverty/#/Global-Inc...

Distribution 2011:

https://ourworldindata.org/slides/world-poverty/#/Global-Inc...