Silicon+Valley+Startup+Statistics+from+Wired

Source: One Silicon Valley startup struggles to survive a modern gold rush. Wired, May 2014.
 * Number of self-identified Silicon valley angel investors in 2014 || 15,931 ||
 * Number of seed- or angel-funded startups in San Francisco that have gone at least a year without raising a Series A round || 6,282 ||
 * Average salary for a Google software engineer, according to Glassdoor.com || $118,949 ||
 * Average salary that San Francisco Bay Area-based startup founders pay themselves || $37,800 ||