https://www.bunka.go.jp/english/policy/arts_culture/honor/
The Order of Culture is awarded to an individual in recognition of outstanding achievements related to the development of culture.
Recipients of the Order of Culture are normally chosen from among past recipients of the Person of Cultural Merit award of the previous fiscal year or earlier.

The Person of Cultural Merit award was established to provide a lifetime pension to an individual who has rendered particularly distinguished service related to the advancement and development of culture.

https://eow.alc.co.jp/search?q=文化勲章
文化勲章
award of culture
Order of Culture〔日本の栄典制度〕
単語帳


https://en.wikipedia.org/wiki/Order_of_Culture
The Order of Culture (文化勲章, Bunka-kunshō) is a Japanese order, established on February 11, 1937. The order has one class only, and may be awarded to men and women for contributions to Japan's art, literature, science, technology, or anything related to culture in general;

https://ja.wikipedia.org/wiki/文化勲章

https://en.wikipedia.org/wiki/Order_of_Cultural_Merit_(South_Korea)
The Order of Cultural Merit (Korean: 문화훈장) is one of South Korea's orders of merit. It is awarded by the President of South Korea for "outstanding meritorious services in the fields of culture and art in the interest of promoting the national culture and national development."[1]

https://ja.wikipedia.org/wiki/文化勲章_(韓国)

The Japanese translation seems relatively fixed.  Wikipedia identifies that "merit" gloss as applicable to South Korea. Japan uses this terms for both countries.  Reverso mostly seems to reflect this. Eijiro does not include "merit" in its gloss.
 
Not to be confused with a "Person of Cultural Merit"(文化功労者)

@@ -16,2 +16,2 @@
-<gloss>Order of Culture</gloss>
-<gloss>Order of Cultural Merit</gloss>
+<gloss>Order of Culture (Japan)</gloss>
+<gloss>Order of Cultural Merit (South Korea)</gloss>