In Toy Story 4, the focus is on Woody and the new characters. Andy is not part of the story, so there's no mention of his age.
Andy doesn't appear in Toy Story 4, so his age isn't relevant in this movie.
In the Toy Story franchise, Andy starts at around 6 and ages as the series progresses. In the first film, he's a young child full of imagination and love for his toys.
Andy is around 6 years old in the first Toy Story movie.
Andy was around 9 years old in Toy Story 2.
Andy was around 6 years old in the first Toy Story movie.
Andy was around 6 years old in Toy Story 1.
Andy in Toy Story 1 is thought to be around 6 to 7. This can be inferred from his play habits and the toys he has.
In Toy Story 4, Andy Davis is already grown up and has moved on from his childhood toys.