> at equivalent adjusted income levels

What is equivalent adjusted income level? PPP between Russia and USA is around 1.8. Median annual salary in the US is $57 ($1196 per week), median salary in Russia is $13200. Even if you adjust it, it's roughly two times smaller.

As someone who lived in a bunch of countries, some rich and some poor, no, living standards among the avg. Joes of the world are not even remotely the same.