No, they're not. Populist forces in the west are intrinsically linked to the collapse of blue collar industries and jobs as well as forced immigration, and aren't necessarily nationalist, it's more a reaction against the status quo.
In Turkey and the Middle East Islamism has been rising, partly due to the collapse of Arab nationalism and partly due to Saudi Arabia's worldwide propagation of Wahhabism.
I am asking because I think most writers think of these as part of a larger global movement, but your comments suggest you think they are different.