Snapchat, Facebook Messenger and Kik Messenger attracted the largest shares of downloads last year among iOS users in the US.
This infographic from Digital Insights compiles 63 social media stats about the most popular social networks.
Snapchat ranks as the fastest-growing social application by a fair margin, with its number of users up 67% between Q3 2013 and Q1 2014 (+95% among 16-19-year-olds).
Twitter and Instagram are closely matched in total reach, a finding that makes sense given a recent report from the Pew Research Center indicating that a majority of Twitter users also use Instagram.
The opportunity to receive discounts or promotions was the top reason college students would want to receive Snapchat communications from brands, cited by 67%.
77% of college students use Snapchat every day.
Approximately 46% of US teens and young adults ages 12 to 24 had used Snapchat.
Some 46% of Americans aged 12-24 claim to have ever used Snapchat, making it a more popular choice for this demographic than Twitter (36%).
The majority of pictures sent through Snapchat by college students are selfies.
Among US Android users polled who had a Facebook app, 63% engaged with the app each day, compared with 36% engagement for those who used WhatsApp.