There are usually plenty of other choices beyond the Dems and Repubs - here is a list of 2012 election results for all the candidates (Romney, you loser, you never even ran to win).
2012 Presidential General Election final vote (with 95% of precincts reported) – from Wikipedia and Google Elections:
-Barack Obama (Democratic Party) – 65,909,451 – 51.02%
-Mitt Romney (Republican Party) – 60,932,176 – 47.16%
-Gary Johnson (Libertarian Party) – 1,275,950 – 0.99%
-Jill Stein (Green Party) – 469,572 – 0.36%
-Virgil Goode (Constitution Party) - 122,378 - 0.09%
-Roseanne Barr (Peace & Freedom Party) – 67,359 – 0.05%
-Rocky Anderson (Justice Party) – 42,995 – 0.03%
-Tom Hoefling (America’s Party) – 40,609 – 0.03%
-Jerry Litzel (independent) – 12,895 – 0.01%
-Jeff Boss (independent) – 12,895 – 0.01%
-Randall Terry (independent) – 12,895 – 0.01%
-Merlin Miller (American Third Position Party) – 12,895 – 0.01%
-Jill Reed (Twelve Visions Party) – 12,032 – 0.01%
-Richard Duncan (independent) – 12,032 – 0.01%