What is the leading cause of hip fractures? Approximately 95% of hip fractures happen as a result of falling. Falling sideways is one of the most common ways that someone can break their hip. (2004-2013) By ProMatcher Staff Updated: 08/08/2016 Next Question Source: CDC Next Question Find Local Pros Free Actuaries Cost Estimates Related Questions How many injuries involve vacuum cleaners? How Many Forklift Injuries Occur Each Year? How many people are killed by wood chippers? How many flooring-related injuries occur each year? How many home fires occur each year?