DevelopersHeatMap650Facebook outlined which countries have the highest concentration of developers in a heat map it released Tuesday at the LeWeb conference in Paris.

The social network also broke out the countries into those with more than 10,000 developers, those with more than 5,000, and those with more than 1,000.

According to Facebook, countries with more than 1,000 developers are: Argentina, Austria, Bangladesh, Belgium, Belarus, Bulgaria, Chile, Colombia, Croatia, Czech Republic, Denmark, Egypt, Finland, Greece, Hong Kong, Hungary, Indonesia, Ireland, Malaysia, Mexico, New Zealand, Norway, Pakistan, Peru, Philippines, Portugal, Romania, Serbia, Singapore, Slovakia, South Africa, Sweden, Switzerland, Thailand, and Vietnam.

Those with more than 5,000 are: Australia, China, Italy, Israel, Netherlands, Poland, Russia, South Korea, Spain, Taiwan, Turkey, and Ukraine.

And those with more than 10,000 are: Brazil, Canada, France, Germany, India, Japan, U.K., and U.S.

Readers: Did any of these countries surprise you?