With over 2.7 billion monthly active users as of the second quarter of 2020, Facebook is the biggest social network worldwide. In the third quarter of 2012, the number of active Facebook users surpassed one billion, making it the first social network ever to do so. Active users are those which have logged in to Facebook during the last 30 days. During the last reported quarter, the company stated that 3.14 billion people were using at least one of the company's core products (Facebook, WhatsApp, Instagram, or Messenger) each month.
Founded in 2004, Facebook is currently the biggest social networking service based on global reach and total active users. Launched by Harvard student Mark Zuckerberg and some of his contemporaries, the service was initially only available to Harvard students but soon expanded to regional universities, the Ivy League and further colleges before opening up to high school students and global users aged 13 or over. As of July 2020, India, India ranks first in terms of Facebook user base size.
How Facebook works
Facebook users must register before using the social network and are free to create a personal profile in order to interact with other users which they can add as friends. Furthermore, Facebook users may join user groups based on workplace, college or school and can also categorize their Facebook contacts into lists. Users can post status updates or other content and message each other. Facebook users can also interact with a wide selection of applications including >social games or other Facebook-owned services like photo-sharing app Instagram.
Facebook measures monthly active users as users that have logged in during the past 30 days. Figures do not include Instagram or WhatsApp users unless they would otherwise qualify as such users, respectively, based on their other activities on Facebook.
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Facebook. (January 27, 2021). Number of monthly active Facebook users worldwide as of 4th quarter 2020 (in millions) [Graph]. In Statista. Retrieved April 14, 2021, from https://www.statista.com/statistics/264810/number-of-monthly-active-facebook-users-worldwide/
Facebook. "Number of monthly active Facebook users worldwide as of 4th quarter 2020 (in millions)." Chart. January 27, 2021. Statista. Accessed April 14, 2021. https://www.statista.com/statistics/264810/number-of-monthly-active-facebook-users-worldwide/
Facebook. (2021). Number of monthly active Facebook users worldwide as of 4th quarter 2020 (in millions). Statista. Statista Inc.. Accessed: April 14, 2021. https://www.statista.com/statistics/264810/number-of-monthly-active-facebook-users-worldwide/
Facebook. "Number of Monthly Active Facebook Users Worldwide as of 4th Quarter 2020 (in Millions)." Statista, Statista Inc., 27 Jan 2021, https://www.statista.com/statistics/264810/number-of-monthly-active-facebook-users-worldwide/
Facebook, Number of monthly active Facebook users worldwide as of 4th quarter 2020 (in millions) Statista, https://www.statista.com/statistics/264810/number-of-monthly-active-facebook-users-worldwide/ (last visited April 14, 2021)