Map of countries with bans: https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Burka_ban_world_map.svg/1024px-Burka_ban_world_map.svg.png
Map of countries with bans: https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Burka_ban_world_map.svg/1024px-Burka_ban_world_map.svg.png
Lawmakers usually give some explanation or justification, like the Danes banned it because it's incompatible with Danish cultcha and the Chinese because they think it's linked to extremism and terrorism.
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It's likely to be pretty figure-out-able from the debate and statements surrounding it.
Some countries have laws against covering the face in general, including motorcycle helmets and Guy Fawkes masks. https://en.wikipedia.org/wiki/Anti-mask_law
Some are scurred of anonymous suicide bombers in burqas: https://en.wikipedia.org/wiki/Burqa#Chad
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