1) Relative earnings of women in corporate America are improving as compared to those of males. Great transition. See the progress from the chart below:
* As always, please click on the images to enlarge them

2) Race-wise comparison of income from different factions in the US. Interesting information from the Census data.
Asian races are leading in the median income statistic. It is also good to see that the overall income seems to be increasing across all classes. The median income is an indicator of overall growth in wealth across classes.

3) Comparison of median income from different regions in the US.
As expected, the median income generally matches the cost of living and is highest in the Northeast and the West. A quick comparison shows that the max. difference is approximately 10% which is less than the actual difference in cost of living, but is still indicative.