GDP Source: OECD In terms of total GDP, the United States is, by far, the largest member country. Japan is the second largest economy followed, at some distance, by the four large EU members — Germany, United Kingdom, France and Italy. The next four largest are Spain, Mexico, Canada and Korea. These rankings have not changed significantly over the period shown. Per capita GDP for the OECD as a whole was close to $30,000 per head in 2005. Five OECD countries had per capita GDP in excess of $36,000 — Luxembourg, Norway, United States, Ireland and Iceland. Half of the 30 OECD members had per capita GDP between $28,000 and $36,000, while 10 countries had per capita GDP below $28,000. Turkey, Mexico and Poland had the lowest per capita GDP. Note that both GDP and PPPs contain statistical errors, and differences between countries in per capita GDP of 5% or
