Sen. Hillary Clinton has won Pennsylvania, but the Illinois senator, Barack Obama is still leading Clinton overall by some 131 delegates. Clinton has grabbed 81 while Obama has got 69 delegates from Pennsylvania uptil now.

Currently, Obama has total aggregate of 1721 delegates, which include his 1485 pledged delegates and 236 superdelegates.

On the other hand, Clintion has total 1590 delegates, which include her 1331 pledged delegates and 259 superdelegates.

That means, Obama still needs 303 more delegates, while Clinton needs 434 more delegates to win the Democratic Party’s nomination.