Perhaps the most incredible thing about the New York City Subway has been its utter dominance of the well-publicized national transit ridership increases of the last decade. According to annual data published by the American Public Transportation Association (APTA), ridership on the New York City Subway accounts for all of the transit increase since 2005. Between 2005 and 2015, ridership on the New York City Subway increased nearly 1 billion trips. By contrast, all of the transit services in the United States, including the New York City Subway, increased only 800 million over the same period. On services outside the New York City subway, three was a loss of nearly 200 million riders between 2005 and 2015…

That is from Wendell Cox. And note that use of the NYC system peaked in the late 1940s!

For the pointer I thank the estimable Chug.