Nigeria

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Year Electoral
System
Family
Electoral
System
for
National
Legislature
Number
of
tiers
Legislative
size
(directly
elected)
Legislative
size
(Voting
members)
Electoral
system
for
the
president
2015 Plurality/Majority FPTP 1 360 360 TRS
2011 Plurality/Majority FPTP 1 360 360 TRS
2007 Plurality/Majority FPTP 1 360 360 TRS
2003 Plurality/Majority FPTP 1 360 360 TRS
1999 Plurality/Majority FPTP 1 360 360 TRS