Has the public opinion in the west entered a transitional phase ?

Jul 2018
The facts that Br-exit and Trump's presidency are both outcomes of very close encounters in the ballot boxes, and also the rising of neo-nationalistic parties in Europe, implies that the public opinion in the west has entered a transitional phase resulting from many problems such as rush of migrants, extremism , economic difficulties and other problems.
Does this mean that we entering a critical age? and why?