Art museum is a building for exhibit of art, usually from the museum's own collection. Although fundamentally concerned with visual art, art museums are mainly used as a venue for other cultural exchanges and artistic activities, such as performance arts, music concerts, or poetry readings.

For this post we listed only the Top 10 out of the 100 museums. Due to the COVID-19 pandemic, the museums listed were closed for long periods of time. All listed museums below including the remaining 90 museums attendance dropped by 77% in 2020. Now, see the Top 10 most visited art museums in the world below.

Table of Contents:
👉 21st Century Museum of Contemporary Art, Kanazawa
👉 Metropolitan Museum of Art
👉 National Gallery
👉 State Russian Museum
👉 Museo Reina Sofía
👉 British Museum
👉 Vatican Museums
👉 Tate Modern
👉 National Museum of China
👉 Musée du Louvre

Top 10 Most Visited Art Museums in the World

👉 Number 10 - 21st Century Museum of Contemporary Art, Kanazawa
The 21st Century Museum of Contemporary Art, Kanazawa (金沢21世紀美術館, Kanazawa Nijūisseiki Bijutsukan) is a museum of contemporary art located in Kanazawa, Ishikawa, Japan. The museum was designed by Japanese architects Kazuyo Sejima and Ryue Nishizawa of the architectural office SANAA in 2004. In October 2005, one year after its opening, the Museum marked 1,570,000 visitors. It is the 10th most visited museum in the world with 971,256 in year 2020. This is 77% down from 2019.
金沢市

👉 Number 9 - Metropolitan Museum of Art
The Metropolitan Museum of Art of New York City, colloquially "the Met", is the largest art museum in the United States. Its permanent collection contains over two million works, divided among 17 curatorial departments. The main building at 1000 Fifth Avenue, along the Museum Mile on the eastern edge of Central Park in Manhattan's Upper East Side, is by area one of the world's largest art galleries. A much smaller second location, The Cloisters at Fort Tryon Park in Upper Manhattan, contains an extensive collection of art, architecture, and artifacts from medieval Europe. It is the ninth most-visited art museum for 2020 with a total yearly visits of 1,124,759. This is 83% lower since 2019 due to COVID-19.
Hugo Schneider

👉 Number 8 - National Gallery
The National Gallery is an art museum in Trafalgar Square in the City of Westminster, in Central London. Founded in 1824, it houses a collection of over 2,300 paintings dating from the mid-13th century to 1900. It is ranked number on this top list with a total visits of 1,197,143 in 2020. But still, this visits is 77% down since 2019.
Diego Delso

👉 Number 7 - State Russian Museum
The State Russian Museum (Russian: Государственный Русский музей), formerly the Russian Museum of His Imperial Majesty Alexander III (Russian: Русский Музей Императора Александра III), on Arts Square in Saint Petersburg, is the world's largest depository of Russian fine art. It is also one of the largest art museums in the world with total area over 30 hectares. In 2020, due to the COVID-19 pandemic it attracted only 1,203,324 visitors, a drop of 50 percent from 2019, but it still ranked seventh on the list of most-visited art museums in the world.
Екатерина Борисова

👉 Number 6 - Museo Reina Sofía
The Museo Nacional Centro de Arte Reina Sofía ("Queen Sofia National Museum Art Centre"; MNCARS) is Spain's national museum of 20th-century art. The museum was officially inaugurated on September 10, 1990, and is named for Queen Sofía. It is located in Madrid, Spain. It has a total of 1,248,480 visits in the year 2020 which is still ranked 6th on this list. The visit is 72% lower since 2019 due to the pandemic.
Museoreinasofia

👉 Number 5 - British Museum
The British Museum, in the Bloomsbury area of London, England, is a public institution dedicated to human history, art and culture. Its permanent collection of some eight million works is among the largest and most comprehensive in existence, having been widely collected during the era of the British Empire. It documents the story of human culture from its beginnings to the present. It was the first public national museum in the world. The Museum was established in 1753, largely based on the collections of the Irish physician and scientist Sir Hans Sloane. It is the 5th on the list with a total of 1,275,466 visits in the year 2020. Still, this is 80% lower since 2019.
Luke Massey & the Greater London National Park City Initiative

👉 Number 4 - Vatican Museums
The Vatican Museums (Italian: Musei Vaticani; Latin: Musea Vaticana) are the public art and sculpture museums in the Vatican City. They display works from the immense collection amassed by the Catholic Church and the papacy throughout the centuries including several of the most renowned Roman sculptures and most important masterpieces of Renaissance art in the world. The museums contain roughly 70,000 works, of which 20,000 are on display, and currently employ 640 people who work in 40 different administrative, scholarly, and restoration departments. Its total visits for year 2020 is 1,300,000 which is 81% lower since 2019.
F. Bucher

👉 Number 3 - Tate Modern
Tate Modern is an art gallery located in London. It houses the United Kingdom's national collection of international modern and contemporary art, and forms part of the Tate group together with Tate Britain, Tate Liverpool and Tate St Ives. It is located in the former Bankside Power Station, in the Bankside area of the London Borough of Southwark. Its total visit is 1,432,941 for year 2020. Still 77% down since 2019. It is the 3rd most visited museum for the year 2020.
Acabashi

👉 Number 2 - National Museum of China
The National Museum of China (Chinese: 中国国家博物馆; pinyin: Zhōngguó Guójiā Bówùguǎn) flanks the eastern side of Tiananmen Square in Beijing, China. The museum's mission is to educate about the arts and history of China. It is directed by the Ministry of Culture of the People's Republic of China. Due to the COVID-19 pandemic, the museum was closed for a large part of 2020, and attendance plunged by 78 percent to 1,600,000. Nonetheless, in 2020 it was in second place in the List of most-visited art museums, after the Louvre.
Shujianyang

👉 Number 1 - Musée du Louvre
The Louvre or the Louvre Museum is the world's largest art museum and a historic monument in Paris, France, and is best known for being the home of the Mona Lisa. A central landmark of the city, it is located on the Right Bank of the Seine in the city's 1st arrondissement. Approximately 38,000 objects from prehistory to the 21st century are exhibited over an area of 72,735 square meters. Due to the COVID-19 pandemic, the museum was closed for 150 days in 2020, and attendance plunged by 72 percent to 2.7 million. Nonetheless, the Louvre still topped the list of most-visited art museums in the world in 2020.
Jebulon

References:
👉 21st Century Museum of Contemporary Art, Kanazawa, Wikipedia.org
👉 Metropolitan Museum of Art, Wikipedia.org
👉 National Gallery, Wikipedia.org
👉 State Russian Museum, Wikipedia.org
👉 Museo Reina Sofía, Wikipedia.org
👉 British Museum, Wikipedia.org
👉 Vatican Museums, Wikipedia.org
👉 Tate Modern, Wikipedia.org
👉 National Museum of China, Wikipedia.org
👉 Musée du Louvre, Wikipedia.org
👉 List of most-visited art museums, Wikipedia.org