http://www.flightglobal.com/news/articles/analysis-the-size-and-shape-of-the-world-airliner-fleet-revealed-in-our-415505/
That should help the decision making process but I agree - don't let the choice of turboprop or turbofan dictate everything else in your life. If I am honest flying TP is more fun but generally less well remunerated. A quick look around the jobs pages will tell you where the jobs are but caveat emptor! Ratings without enough time on type are a big, expensive risk.