Simplify the following text for a Grade 5 native English-speaking person.
Original: Most of its speakers live in Hungary ( around 10 million ) and Romania ( around 1.5 million ) , but it is also spoken in Slovakia , the northern part of Serbia ( Vojvodina ) , Ukraine and other countries .
Simplified: There are about 13 million native speakers , of whom 9.5 â `` 10 million live in present-day Hungary .