Which countries recognize TOEFL, IELTS, and GRE?

Countries that recognize TOEFL: the United States, Canada, some universities in Japan, and some universities in the United Kingdom.

Countries that recognize IELTS: some universities in the United States (recognized by at least 40 institutions), Canada, Singapore, Australia, the United Kingdom, other countries in Europe except Germany and France, some universities in South Korea, and New Zealand.

Countries that recognize GRE: Graduate schools of American universities.