They hand out 25 year sentences like candy.
Citation please.
Though I don't see anything definite on prison rates. Hard to get precise info out of N Korea. This absolute dismal circumstances the prisoners suffer is clear though.
On a per capita rate, they would be about even with the United States (around 700 per 100k[1]) at the top end of estimates - which is worrying considering North Korea also practice a policy of "three generations of punishment" where entire families are collectively punished and you have children being born in camps.
The land of the free and the most totalitarian state in the world with a horrible history of human rights abuses - it really shouldn't even be a contest as to who is worse, but unfortunately it is.
[0] http://www.goodreads.com/book/show/13618693-the-hidden-gulag
[1] Doesn't include territories, juveniles, military prison or immigration detention. Including those on parole or probation it increases to 3.2% of the population.
Now the person being tried here is not 21 anymore and he is actually guilty of something and should be punished... but 25 years, really?