"Forty percent of U.S. users are male, compared to 36% overall. Men looking for love may want to try Ireland or China, where 73% and 72% of users are female, respectively. Other than the U.S., which has the highest percentage of males, the lowest percentage of female users is in Saudi Arabia, Pakistan, UAE and Egypt."
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Facebook Is Almost 2/3 Women (and other stats)
The US in the same club as Pakistan and a bunch of Middle Eastern countries in female usage … hmmm