YOU SAID:

i live in denmark, and there is a lot of old people thats walking slow

INTO JAPANESE

私はデンマークに住んでいて、ゆっくり歩いているお年寄りがたくさんいます

BACK INTO ENGLISH

I live in Denmark and there are many elderly people walking slowly

INTO JAPANESE

私はデンマークに住んでいて、ゆっくり歩く高齢者がたくさんいます

BACK INTO ENGLISH

I live in Denmark and there are many elderly people walking slowly