It has been almost three years since Compass (formerly Startup Genome) released the last Startup Ecosystem Report (Nov. 2012), and since then the startup sector has grown at a booming pace. The centerpiece of the 2015 Ranking is our revamped component index, which ranks the world’s top 20 startup ecosystems. The index is produced by ranking ecosystems along five major components: Performance, Funding, Talent, Market Reach, and Startup Experience.not known.