Brian Solis, a globally recognized expert on online PR and Social Media, compiled a set of statistics from a number of the most popular social networks using Google Ad Planner. The stats showed estimated figures for unique visitors, reach, page views, total visits, avg visits per visitor, avg time on site, age and gender, household income and education level.

The post is a terrific source of data (bookmark it) and aside from the dominance of the older generation over the younger, one of the most significant pieces of information to result from the research is the gender gap on most social sites. To illustrate the gender slant, data visualisation site Information is Beautiful put together a fitting diagram. And if you’re still unsure which sex dominates the social networks, the title should make it perfectly clear.