Quick change of mind on social issues

As Supreme Court hearings for same-sex marriage start today, Alex Tribou and Keith Collins for Bloomberg look back at timelines for past social issues, such as interracial marriage and abortion.

Each line represents an issue, and the height shows the number of states that removed the ban each year, so you end up with lines that increase slowly, and then there’s a sudden jolt upwards that ends in federal action. Note the quick increase over just a few years with same-sex marriage. Marijuana legalization on the far bottom right is getting started.

Scroll down the page for more details on each issue, with moving lines that provide a sense of change and the now familiar gridded state maps filled over time.

Favorites

How We Spend Our Money, a Breakdown

We know spending changes when you have more money. Here’s by how much.

Life expectancy changes

The data goes back to 1960 and up to the most current estimates for 2009. Each line represents a country.

Where People Run in Major Cities

There are many exercise apps that allow you to keep track of your running, riding, and other activities. Record speed, …

Think Like a Statistician – Without the Math

I call myself a statistician, because, well, I’m a statistics graduate student. However, the most important things I’ve learned are less formal, but have proven extremely useful when working/playing with data.