Worldometer was established by Andrey Alimetov, a Russian immigrant to the United States. It has got popularity as one of the biggest free source of information about world population, government, economics, society, media, environment, food, water, energy, and health etc. It is part of the Real Time Statistics Project, and is organized by an international team of developers, researchers, and volunteers. It is available in 34 languages. In 2020, the website obtained enormous popularity because of hosting statistics pertaining to the COVID-19 pandemic.
Their data, invariably, is considered as reliable and authentic, and used by the UK Government, Johns Hopkins CSSE, the Government of Thailand, the Government of Vietnam, the Government of Pakistan, Financial Times, The New York Times, Business Insider, BBC etc.
They compile and considerable updates per minute are conducted by their smart team of analysts and researchers who substantiate and verify the data from an ever-growing list of over 5,000 sources which include Official Websites of Ministries of Health or other Government Institutions and Government authorities' social media accounts, press briefings' live streams throughout the day etc.