The main contenders:

1. Michel Platini
Uefa president and the favourite to replace Blatter
2. Sheikh Ahmad al Fahad al Sabah
A new member of Fifa's all-powerful executive committee. A strong contender
3. Michael van Praag
Former Ajax chairman. Might struggle to find backers
4. Luis Figo
High profile former player. Inexperienced in Fifa politics
5. Prince Ali Bin Al Hussein
Beaten by Blatter in the election, now joint-favourite to take over
6. David Ginola
The former player is an unlikely candidate, but remains undeterred
7. Alfredo Hawit
Newly elected president of Concacaf. Will be high-profile in the coming weeks
8. Sheikh Salman bin Ebrahim Al Khalifa
President of the Asian Football Confederation. Played a key role in helping Blatter win his election
9. Jerome Champagne
Former Fifa executive and French diplomat. May struggle to get backing