# Comparing relative frequencies between two groups

If i have the relative proportion for two sample. For example :

group 1:

• Male: 50%
• Female: 25%
• children: 25%

group 2:

• Male: 50%
• Female: 20%
• children: 30%

How can I measure the % of similarity between the two group?

• I made significant edits to your question, especially regarding title and tags. Please, make sure I didn't alter its original meaning. – chl Jul 3 '11 at 16:04