Why do Pakistani women not wear the hijab or burqa?

I went to India and Pakistan respectively for vacation respectively, and surprisingly to my knowledge, I expected Pakistani women to be dressed very "Islam-like." But, from what I've seen, they were all mixing in with men with no head-scarfs on their heads, let alone burqas. Isn't Pakistan an... show more I went to India and Pakistan respectively for vacation respectively, and surprisingly to my knowledge, I expected Pakistani women to be dressed very "Islam-like." But, from what I've seen, they were all mixing in with men with no head-scarfs on their heads, let alone burqas. Isn't Pakistan an Islamic state?
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