San Francisco Meetup Group Growth by Category (2002-2014) #2327743 (License: Personal Use)

This stacked bar chart tracks the annual formation of San Francisco Meetup groups from 2002 to 2014, segmented by four categories: Tech (blue), Sports (orange), Social (green), and Career/Biz (red). Growth was minimal until 2006, then accelerated sharply-particularly in Tech-peaking in 2013 with over 700 new groups formed that year. The data reveals a tech-driven boom coinciding with Silicon Valley’s expansion during the early 2010s.

Used on data journalism, tech history, or community analytics pages to illustrate regional meetup ecosystem evolution; matches user intent for researching startup culture, civic engagement trends, or platform adoption patterns.