[saulpw]

> more people are moving up a rung than falling down one.

How do you figure that? Do we have any data that backs that up?

[granzymes]

You are commenting on the article that contains data that backs that up.

[saulpw]

Since 1970. It's quite misleading to take two data points spread 55 years apart and make the titular claim as though the trend is continuing.

[pc86]

If you look at the top of this page you'll see an article with data.