rédaction anglais

Sujet du devoir

today 70 000 people are an prison, there are 20 000 over a ten years ago. on average people have about 35 years and often goes from 1 to more 5 years in prison but only 1,4% of prisonerers remains in perpetuity. nowadays the most cammon is unfortunately rape and other sexual assault but it's not just people like that who go to jail. it's why the prison has always been a subject of debat because many people wondered if the prison is the best porm of punishment. we'll first consider that the prison may be a good average of punishment and is a second case we'll analyze the fact that the prison also has a lot of default.

Où j'en suis dans mon devoir

voilà c'est l'introduction de ma rédaction d'anglais. le sujet est : "is prison the best form of punishment" et je voudrais que vous me dites si il y a des fautes ?