From 1933 to 1944, most of the time most of the prisoners in most concentration camps were not Jewish. "People liberated from concentration camps" is a much broader category than "Jews liberated from concentration camps." Different prisoner groups were treated differently upon liberation, as you shall see.

Note that KL is an abbreviation for "konzentrationlager", the German word for concentration camp, also referred to as KZ. Many of these answers arrive at your question indirectly. The #1 book on this topic in the subreddit booklist is The Liberation of the Camps by Dan Stone. Buying books at the links in the booklist helps support the subreddit's operations.

/u/commiespaceinvader and /u/Kugelfang52 have previously answered How did the Allies care for Holocaust survivors?

How were homosexual KL survivors treated by the Allies?

Did the Allies set free criminals when they liberated the KL in WW2?

How many inmates were liberated from KL and extermination camps? How reliable are the figures?

Were the KL passed by the advancing Allied army at the end of WWII?