'The Grand Military Wife of the 21st Century' has ended with a 13.8% rating.

The viewership rating for the final episode (Episode 12) of '21st Century Grand Prince's Wife' was recorded at 13.8% (nationwide).
The drama, which started at 7.8%, surpassed double-digit viewership ratings by the fourth episode, and the final episode recorded its highest rating. It was also released on Disney+ and was named the most-watched Korean series globally, including in North America, Europe, and Latin America.