That’s a significant moment in the changing face of America — and has potentially massive consequences for our politics. White voters have long been a bulwark of the GOP coalition in national races while nonwhites have become increasingly Democratic over the years. At the same time, the white vote has been shrinking as a percentage of the overall electorate while the nonwhite vote has been growing.

According to the Pew calculations, those demographic changes will only continue in 2020. (Here’s a detailed explainer of how they arrived at their estimates.) This is what the composition of eligible voters will look like in 2020 via Pew…