FlashFunders has curated a few top Angel Investment statistic sources to help investors and founders visualize key angel investment trends of 2014 and 2015.
Average Angel Investment Deal Size 2014 vs. 2015

*Approximately $800,000 in 2014 and $1,000,000+ in 2015
Median Seed Stage Valuation 2014 vs. 2015

*Approximately $2,765,000 in 2014 and $3,950,000 in 2015
Average Percent of Male vs. Female Angel Investors in 2014

Percent of Angel Investments by Sector in 2014

Sources:
Jeffrey Sohl, “The Angel Investor Market in 2014: A Market Correction in Deal Size”, Center for Venture Research, May 14, 2015
“Halo Reports Special Edition: Geography Report.” Angel Resource Institute. Angel Resource Institute, 2015. Web. 1 Oct. 2015.