It comes about largely as a result of a number of factors that need to be taken into account. One is their location to begin with, the fact that indigenous people were taken off very thriving parts of the land, particularly in the Prairies, for example, where they were maintaining farming communities and very successful agricultural activities, and moved into barren lands, and as a result couldn't function and maintain their existence. Then there was a practice by the Government of Canada for many generations to not provide any infrastructure to those communities they'd relocated them to. Only recently, in the last two or three generations or so, have they undertaken to provide infrastructure: roads, sewers, water, electricity. This is a relatively recent phenomenon in indigenous communities. It's very much an example of systemic discrimination that's occurred over the years.
On October 2nd, 2017. See this statement in context.