Members of Pakistan's parliament and four provincial assemblies began voting in a presidential election on Saturday.
Asif Ali Zardari, whose Pakistan People's Party (PPP) heads a coalition government, is expected to win easily.
"God willing, the PPP has a clear majority and the PPP will win. Mr Zardari will become president and will make the democratic and parliamentary system strong," PPP spokeswoman and member of parliament Farzana Raja said on her way in to the assembly to vote.
Pakistan's former president Parvez Mushrraf has resigned from his post earlier fearing impachment.