This chart is as expected - as percapita GDP rises so does life expectancy in years though a lot of data is missing.
As literacy increases so does percapita GDP!
As numeracy increases does does percapita GDP!
I was looking for a trend between immigration and percapita GDP - however there was lots of data missing and it didn't seem to show a very pervasive pattern but a weak one does exist. I would like to explore this more in the future!