About this metric
The chart shows how many million passengers trolleybuses carried each year.
In 2024 trolleybuses carried 8.8 million passengers, the most in 2007-2024. In 2022 the number was 4.3 million, and in 2023 it was 6.3 million.
In 2009-2019 the number ranged between 4.3 and 5.7 million. In 2020 it fell to 2.8 million, the lowest of the period.