How many countries does Uber operate in? What about Lyft?

72 countries - as of March, 2018

(As of March 16, 2018)

Uber: 72 Countries

The full list can be seen here: https://ride.guru/content/resources/rideshares-worldwide#UBER

(Note: Uber app can be used in some other countries where Uber has partnership agreement, such as in Russia with Yandex Taxi)

Lyft: 2 countries (USA and Canada)

The list of cities is here: https://www.lyft.com/cities

(Lyft has had partnership agreement with other rideshare services, where you can use their app to request another company's vehicles.  Didi a few years back is an example.)

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Uber Driver, CEO of TaxiFareFinder and Unleashed, LLC