Social Media monitoring company, Sysomos has just released a study in which they analyzed over a 100 million blogs and reported data on age, gender and location of bloggers. Below is a summary of their findings: Most bloggers are 21-35 years old 51% of all blog posts are written by females USA contributes to a third of all blog posts, followed by the UK Japan accounts for the third-most bloggers (4.9%), followed by Brazil (4.2%), Canada (3.9%), Germany (3.3%), Italy (3.2%),