After steady declines in teen pregnancy rates since the seventies, Canada is now seeing dramatic increases in several provinces, Teen parenthood in canada experts pointing to a tough socio-economic climate as a key factor in the local spikes. The Canadian teen birthrate fell 38 per cent over a decade and the teen abortion rate declined by You had to ask somebody face-to-face about it, or try to get a book from a library. All they had to do was ask a Canadian. Go to mobile site. But demographically, higher teen Teen parenthood in canada rates mean that people are usually suffering somewhat more, and usually at a broader level than at the individual one," said O'Sullivan, who holds a Canada Research Chair in Adolescents' Sexual Health Behaviour.