Look at Atlanta.I don't think many people realize just how different US and Canada are in terms of sprawl and car dependence. If you compare Toronto proper to Chicago proper, the difference in transit ridership is 3 times. But if you compare Mississauga or Brampton to Naperville or Schaumburg, the difference in ridership is 10 times. The biggest difference between US and Canadian urban areas is the post-war suburbs.
If you look at urban areas across Canada the past 10-15 years, the density and transit ridership have been increasing, with or without a Greenbelt. US and Canada diverged in the post-war era, and they are only continuing to diverge. Sprawl is happening in US while intensification is happening in Canada.
It's practically all sprawl (except for a very small part of downtown and Buckhead).
Let's use subway stations.
The Five Points MARTA station (which is the busiest, since it is the only interchange station and has Spanish solution on both levels) has 19,447 riders per weekday in 2013. A comparable TTC station in 2013 would be Lawrence West station ridership-wise with 19,740 riders per weekday (Lawrence West was around 46th among all TTC stations at the time).
The least busiest TTC station in 2013 was Ellesmere with 1770 riders per weekday in 2013. This is comparable with Ashby MARTA station with 1791 riders per weekday (ranked 31st) in 2013.
The least busiest MARTA station is Vine City with only 821 riders per weekday in 2013.