It depends on what the rest of the question is as the phrase makes little sense in German. It translates literally as how many years do you have
Vanessa Hudgens hast zwei alben: V (2006) Identified (2008)
Wie viele Touristen waren in den Everglades? - How many tourists were in the Everglades?
Wie viele Bücher hast du is the translation in German. It is translated from English to German. German is mostly spoken in the European countries.
Wie viele Ausreißer gibt es in Großbritannien = how many runaways are there in Great Britain
Wie viele Geschwister hat er? translates as How many siblings does he have?The sentence is grammatically correct.
Er wurde am 1. März 1994. Ab 2016 geboren er 22 Jahre alt ist.
13
127.28
Wie viele Zähne hat der Tiger? translates as How many teeth does a tiger have?A tiger has 30 teethEin Tiger hat 30 Zähne.
The cast of Ein Nachmittag wie viele - 1971 includes: Karin Anselm as Susanne Peter Kner as Hen Friedhelm Ptok as Hans
25 miles = 40.2336 km
The cast of Ein Tag wie viele andere - 1971 includes: Berti Deutsch Ruth Kommerell Dietmar Obst Helga Raumer Heidi Weigelt