Source: GlobalWebIndex (GWI)
Notes: 1 in 5 internet users around the world aged 16-64 have an Instagram account as of Q2 2014, says GWI, up from 15% in the year-earlier period. Among active Instagram users in that age range, 41% share are in the 16-24 bracket and another 35% share are in the 25-34 demo, per the study. Previous research has found a similar skew towards young adults in the US, although the age distribution tends to be slightly older among its tablet users.
Related: [Cheat Sheet] Brand Post Engagement on Instagram
About the Data: GWI surveys 170,000 individuals in 32 countries across 4 waves each year