The Art Newspaper has compiled its ranking of the most visited museums and exhibitions of 2024, available at the link

The top ten most visited museums in the country looks like this:

1. Peterhof
2. Tsarskoye Selo
3. Saint Isaac's Cathedral
4. Russian Museum
5. Hermitage
6. Tretyakov Gallery
7. Tsaritsyno
8. Museum of the History of Saint Petersburg
9. Museum of the World Ocean (Kaliningrad)
10. Island-town of Sviyazhsk

The most visited exhibitions:

1. Ars Vivendi. Frans Snyders and Flemish Still Life of the 17th Century (Hermitage)
2. The Peredvizhniki [the Wanderers] (Tretyakov Gallery)
3. The Great Karl. On the 225th Anniversary of the Birth of K.P. Bryullov (Russian Museum)
4. The Vasnetsovs. A Link Between Generations. From the 19th to the 21st Century (Tretyakov Gallery)
5. Vasily Surikov. On the 175th Anniversary of His Birth (Russian Museum)
6. Kukryniksy (Manege Central Exhibition Hall)
7. Frans Snyders and Flemish Still Life of the 17th Century. Paintings and Drawings from Museums and Private Collections in Russia (Pushkin Museum)
8. Flowers, Fruit, Musical Instruments in Italian Baroque Painting (Pushkin Museum)
9. Adepts of Red. Malyavin & Arkhipov (Tretyakov Gallery)
10. Three Times of Rome. Antiquity. Renaissance. Baroque (Pushkin Museum)