According to the Transportation Research Board, trolleybus system of Minsk is the second largest in the world.

[1] Construction of the Minsk trolleybus system started after a decree of the Council of Ministers of the BSSR (November 1949).

Belarusian and English versions of "Minsktrans" official site give different number of active trolleybuses — 1251[5] or 990.

[6] According to the National Statistics Committee of the Republic of Belarus, 973 trolleybuses were used in Minsk in 2015.

[8] The new depot is being built in Uručča district (northeastern part of Minsk).