Daenerys Targaryen

She’s about 24 years old on Game of Thrones now.

Jon Snow

He is also about 24 years old.

Arya Stark

Arya is currently 18 years old on Game of Thrones.

Sansa Stark

She’s about 20 years old on the show.

Bran Stark

He’s 18 years old on the show.