Who will be the next pope? Key candidates in an unpredictable process

Who will be the next pope? The decision could have a profound impact on the Catholic Church and the world's 1.4 billion baptised Roman Catholics.

It also promises to be a highly unpredictable and open process for a host of reasons.

The College of Cardinals will meet in conclave in the Sistine Chapel to debate and then vote for their preferred candidates until a single name prevails.

With 80% of the cardinals appointed by Pope Francis himself, they are not only electing a pope for the first time, but will offer a broad global perspective.

For the first time in history, fewer than half of those given a vote will be European.