Currently, there are a lot of old people who don't have anyone to talk to.
Nowadays, there are many senior citizens without people to talk to.
「現在」は英語で currently とかNowadays と言います。
「年寄り」は英語で old people, elderly, senior citizens などの言い方があります。
「話し相手がいない」は don't have anyone to talk to と言います。
Currently, there are a lot of old people who don't have anyone to talk to.
Nowadays, there are many elderly people without anyone to talk too.
など。
どうぞご参考に!