CORRECTION: Between Jan. 1 and April 3, 159,029 Pennsylvania voters switched their registrations. Of those, 60,222 voters changed their party affiliation to Democrat, 89,234 changed to Republican and 9,573 to other. In Lehigh County, 1,499 Democrats switched to the Republican Party, and 535 Republicans became Democrats. In Northampton County, 1,446 Democrats switched their registration to the Republican Party, while 482 Republicans became Democrats. A previous story had incorrect information based on data provided by the Pennsylvania Department of State.