Also this map is kinda misleading. Edmonton and the entire 4 maritime provinces are not here, and the main reason so much of the population is close to the border is that something like 1/3 of the population is clustered around the great lakes/st Laurence, because people came here by boat.
The great lakes area was the first area extensively settled and thus has the most developed cities. The great lakes area is also rich in fresh water and farmland.
Also this map is kinda misleading. Edmonton and the entire 4 maritime provinces are not here, and the main reason so much of the population is close to the border is that something like 1/3 of the population is clustered around the great lakes/st Laurence, because people came here by boat.
for reference:

The great lakes area was the first area extensively settled and thus has the most developed cities. The great lakes area is also rich in fresh water and farmland.
50% of our population is below the 49th parallel. 90% is within a half a day of the southern border