As of February 2019 , 67 percent of U.S. adults aged between 18 and 29 years used the photo sharing app Instagram . Furthermore , it was found that 43 percent of female adults in the United States used Instagram compared to only 31 percent of adult men . Instagram usage in the United StatesInstagram is one of the most popular social networks in the United States with a 37 percent usage reach among the adult population . Social media juggernaut Facebook has a 69 percent population reach . Whereas Facebook and Snapchat usage are projected to either decline or stagnate until 2021 , Instagram user engagement is estimated to increase from 26 to 29 minutes per day . The number of Instagram users in the United States is also set to keep growing over the coming years – in 2018 , there were approximately 105 million monthly active U.S. Instagram users with forecasts estimating almost 131 million monthly users in 2022 . Teens and Instagram Instagram usage is also widely spread among teenagers in the United States : in 2018 , three quarters of female U.S. teenagers aged 13 to 17 years accessed the social network , along with 69 percent of male teens . The social network is more popular among older teens than younger ones , although this may simply be due to parental restrictions around smartphone usage and media consumption .
