How unusual is a brain aneurysm rupture?

Brain Aneurysm: An estimated 6 million people in the United States have an unruptured brain aneurysm, or 1 in 50 people. The annual rate of rupture is approximately 8 – 10 per 100, 000 people or about 30, 000 people in the United States suffer a brain aneurysm rupture. There is a brain aneurysm rupturing every 18 minutes. Ruptured brain aneurysms are fatal in about 40% of cases.

Rare: The annual rate of rupture is approximately 8 – 10 per 100, 000 people or about 30, 000 people in the United States suffer a brain aneurysm rupture. Source: http://www.Bafound.Org/statistics_and_facts.