It is called the "Te Deum Laudamus".
Te Deum (dont say it to fast)
lord i lift your name on high
Because that was the name he chose when he was elected as pope.
Popes are not elected on a yearly basis. Once elected, they remain as pope until they die or resign. The current pope, elected on March 13, 2013, is Pope Francis.
The current (2014) pope, elected in 2013 is Pope Francis.
conclave
Pope Francis, elected on March 13, 2013.
The newly elected pope can choose to use his birth name or he may choose to use a regnal name.
He was elected pope at the age of 76.
Pope Benedict was able to choose a new name when he was elected Pope. Popes usually choose the name of a saint they admire.
No, the pope is elected with paper ballots.
He was elected in 2005 as pope on the 4th ballot of the conclave.