Data is Beautiful

The three major groups of minorities are the emancipated black children of slavery, immigrants, and various natives.

For black people, even if equality hasn't been achieved, there was a rather large increase in quality of life for the overall community, even if it wasn't a uniform increase.

For immigrants, a lot of immigrants were able to improve their quality of life both within their generation and beyond to their next generation.

For various native groups, they are a rounding error compared to the first two groups.