What is the difference between Japanese jujitsu and Brazilian jujitsu?

There are two main differences between Japanese Jujitsu and Brazilian Jujitsu.

Japanese Jujitsu uses standing locks, strikes, take downs and ground techniques.

Brazilian Jujitsu leans more toward take downs and ground techniques.

Both are effective means of defense and both can cause serious injury.

Brazilian Jujitsu as with many other martial arts evolved from Japanese Jujitsu.