Facebook co-founder Chris Hughes made headlines this month when he argued that the tech giant he helped establish 15 years ago has become a “monopoly” and should be broken up. Democratic presidential candidates have also weighed in, but Facebook itself has rejected such calls.

Here are 10 facts about Americans and Facebook, based on Pew Research Center surveys conducted in 2018 and 2019:

1Facebook, YouTube continue to be the most widely used online platforms among U.S. adultsAround seven-in-ten U.S. adults (69%) use Facebook, according to a survey conducted in early 2019. That’s unchanged since April 2016, but up from 54% of adults in August 2012.

With the exception of YouTube – the video-sharing platform used by 73% of adults – no other major social media platform comes close to Facebook in terms of usage. Around four-in-ten U.S. adults (37%) say they use Instagram, while smaller shares say they use Pinterest, Snapchat, LinkedIn, Twitter and WhatsApp. Facebook owns Instagram and WhatsApp.

2Among U.S. adults who use Facebook, around three-quarters (74%) visit the site at least once a day, according to the 2019 survey. The share of adult Facebook users who visit the site at least once a day is higher than the shares of Instagram users (63%) and Snapchat users (61%) who visit those sites at least daily.

Read more Pew Research Center findings about how social media is being used in the United States and around the world.

3Facebook is popular among all demographic groups, though some adults are more likely to use it than others. Three-quarters of women in the U.S. use the platform, compared with 63% of men. There are differences by education level, too: Around three-quarters (74%) of adults with a college degree or more use Facebook, compared with 61% of those who have a high school diploma or less.

Around eight-in-ten (79%) of those ages 18 to 29 use Facebook – much higher than the share among those 65 and older (46%). However, the share of older Americans who use the platform has more than doubled since August 2012, when just 20% of those 65 and older said they used it.

4YouTube, Instagram and Snapchat are the most popular online platforms among teensFacebook is used by around half of America’s teens, but it no longer dominates the teen social media landscape as it once did, according to a survey of U.S. teens conducted in March and April 2018. Now, 51% of those ages 13 to 17 say they use the platform, down from 71% in a 2014-2015 survey.

The top sites among today’s teens include YouTube (85%), Instagram (72%) and Snapchat (69%). In the 2014-2015 survey, Facebook was the only platform used by a clear majority of teens.

5Lower-income teens are more likely than higher-income teens to use Facebook. U.S. teens generally use similar social media platforms regardless of their demographic characteristics. When it comes to Facebook, however, seven-in-ten teens living in households earning less than $30,000 a year say they use the platform, compared with 36% of those whose annual family income is $75,000 or more.

6Facebook is a pathway to news for around four-in-ten U.S. adultsAround four-in-ten U.S. adults (43%) get news from Facebook, according to a survey conducted in July and August 2018. The share of U.S. adults who get news through Facebook is much higher than the shares who get news through YouTube (21%), Twitter (12%), Instagram (8%), LinkedIn (6%) and other platforms. Among U.S. adults who get news from Facebook, women are more likely than men to do this (61% vs. 39%), as are whites when compared with nonwhites (62% vs. 37%).

742% of Facebook users have taken a break from the site in the past yearMany adult Facebook users have altered their use of the platform. A little over half of adult Facebook users in the U.S. (54%) have adjusted their privacy settings in the past 12 months, according to a separate Center survey conducted in May-June 2018. The survey followed revelations that former consulting firm Cambridge Analytica had collected data on tens of millions of Facebook users without their knowledge or permission.

About four-in-ten adult Facebook users (42%) have taken a break from checking the platform for several weeks or more, and about a quarter (26%) have deleted the app from their phone at some point in the past year. Combined, 74% of adult Facebook users say they have taken at least one of these three actions.

8Many adult Facebook users in the U.S. lack a clear understanding of how the platform’s news feed works, according to the May-June 2018 survey. Around half of these users (53%) say they do not understand why certain posts are included in their news feed and others are not, including 20% who say they do not understand this at all.

Just 14% of Facebook users believe ordinary users have a lot of control over the content that appears in their news feed, while twice as many (28%) say users have no control. A 57% majority of Facebook users say they have a little control over what appears in their news feed. Around six-in-ten Facebook users (63%) say they have not intentionally tried to influence or change the content that appears on their news feed.

9Many Facebook users say they do not know the platform classifies their interests, and roughly half are not comfortable with being categorizedAround three-quarters of Facebook users are not aware that the site lists their traits and interests for advertisers. Facebook makes it relatively easy for its users to find out how the site’s algorithm has categorized their personal traits and interests for advertisers: This information can be accessed via the platform’s “Your ad preferences” page. But 74% of adult Facebook users in the U.S. were not aware that the site collects this information about them until they were directed to this page as part of a Pew Research Center study conducted in September and October 2018.

10The fact that the company maintains a list of users’ traits and interests makes many users uncomfortable. Once directed to their ad preferences page, around half of adult Facebook users (51%) said they were not comfortable with Facebook maintaining this kind of list, according to the same study. And while a majority of users (59%) said the categories produced by Facebook reflect their real-life interests, around a quarter (27%) said these classifications are not very or not at all accurate.

Note: This is an update of a post originally published on April 10, 2018.