PITTSBURGH (KDKA) – Nearly 46,000 Pennsylvania Democrats have switched to Republicans since the beginning of the year.

According to Penn Live, some experts attribute the mass exodus to Donald Trump.

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There’s even a title for the movement. It’s called “Ditch and Switch” and calls for lifelong Democrats to abandon the party, register Republican, and help ensure Trump’s place in the general election.

Professor of Public Affairs at Franklin and Marshall College, Dr. G. Terry Madonna, tells the paper he has a theory behind the switch.

“With the increase in support in exit polls for Trump among working class, blue-collar Democrats, it is my belief that these are people who fall into that genre,” said Madonna.

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The numbers are similar in other states as well.

The paper says in Massachusetts, as many as 20,000 Democrats have gone from blue-to-red this year with Trump cited as a primary reason. And in Ohio, as many as 1,000 blue collar workers have promised to switch parties and vote for Trump.

Numbers show that some Republicans are also switching to the Democratic party, but nowhere near the numbers that are switching to Republican.

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Records show that the party changes seen in the first two months of 2016 are twice those seen in all of 2013.