The Wikipedia table is apparently median household equivalent adult income. This is the somewhat obscure way the OECD accounts for varying household sizes among

The Wikipedia table is apparently median household equivalent adult income. This is the somewhat obscure way the OECD accounts for varying household sizes amongst compared nations: https://en.wikipedia.org/wiki/Equivalisation https://en.wikipedia.org/wiki/Equivalisation You're right that the U.S. median household income is north of $50K.