This statistic has led to growing bipartisan support in Congress and during the presidential debates to staple a green card to the diplomas of all foreign students earning an advanced degree in science, technology, engineering and math.

FORBES: Bipartisanship Needed On Skilled Immigration Reform

The Diplomas operate on three levels - foundation, higher and advanced - and help students to acquire the skills and knowledge necessary for employment and higher education.

BBC: Q&A: Life in a harsh jobs market