The Global Entrepreneurship Monitor (GEM) research project is an annual assessment of the national level of entrepreneurial activity in multiple, diverse countries.
Today the study counts the participation of 115 countries and with longitudinal data dating back more than 20 years.
Each year, the GEM releases an annual report that is downloadable from the official website[5] and also a range of national[6] and special topic reports that differ every year (e.g. women,[7] social, family, senior, youth, high-growth, ethnic and immigrant[8]).
GEM's most well-known index is called TEA (Total Early-Stage Entrepreneurial Activity), which assesses the percentage of 18-64 population both about to start an entrepreneurial activity (i.e. nascent entrepreneurs), or that have already started one with a lifespan of a maximum of 3 and a half years.
The original GEM model was revised in 2008[10] to reflect the different stages of economic development that exist across nations and that arguably influence entrepreneurial activities.