Graphs before anyone knew what they were

Variation kicks in when you look at the later years, consider multiple marriages, divorce, separation, and opposite-sex versus same-sex relationships. This chart breaks it all down.

Or, given your age, the percentage of fish left in the sea. Here’s a chart.

Nuclear is still the most common, but there are millions of households in the United States with a different family structure.

Compared to 1970, a shift towards women making the higher income.