For some, it's a question of anal retentiveness, and others, efficiency. But no matter your preference, the following statistics show that certain sexes simply care about it more than others.
According to Engineering Degree, only 50% of people pay attention to the orientation of their toilet paper roll at all. Of that group, 1 in 5 people get annoyed if the toilet paper is facing the opposite direction, and men are more likely to be annoyed by the situation. Another fun fact? The discussion page for Toilet Paper Orientation on Wikipedia is twice as long as the page for the Iraq War. Many more facts below:
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Jezebel unofficial poll time: Where do you stand on this issue?