[1] Voting was on the basis of universal suffrage, which comprised all nationals over 18 years of age, registered in Navarre and in full enjoyment of their political rights.

The 50 members of the Parliament of Navarre were elected using the D'Hondt method and a closed list proportional representation, with a threshold of three percent of valid votes—which included blank ballots—being applied regionally.

[1][2][3] After legal amendments in 2001, the president was granted the prerogative to dissolve the Parliament of Navarre and call a snap election, provided that no motion of no confidence was in process, no nationwide election was due and some time requirements were met: namely, that dissolution did not occur either during the first legislative session or within the legislature's last year ahead of its scheduled expiry, nor before one year had elapsed since a previous dissolution under this procedure.

The table below lists opinion polling on the victory preferences for each party in the event of a regional election taking place.

The table below lists opinion polling on the perceived likelihood of victory for each party in the event of a regional election taking place.

After legal amendments in 2001, investiture processes to elect the president of the Government of Navarre required for an absolute majority—more than half the votes cast—to be obtained in the first ballot.