Real age of Tina Majorino in Napoleon Dynamite
In the movie Napoleon Dynamite, Tina Majorino was:
18 years old
That was the real age of the celebrity according to our calculation.
The calculation of the shown age took into account the first day of the year in which the movie Napoleon Dynamite was released:
January 1, 2004
And the day in which Tina Majorino was born:February 07, 1985
Since movies usually don't take more than one year to be released since the beginning of the filming process, Tina Majorino may have been one year younger or one year older than the shown age while some scenes of the movie were being filmed.