Turnout

Many posts have discussed voter turnout.

From the Census:

Figure 1 presents voting rates for the citizen voting-age population for each presidential election since 1980. In 2016, 61.4 percent of the citizen voting-age population reported voting, a number not statistically different from the 61.8 percent who reported voting in 2012.

Turnout varies by age:

And education:



See here for more on race and turnout in 2016.