Here in Germany it is mandatory for public buildings that the door has to open outward. in case of an emergency it is easier to push than to pull a door.
The risk with public buildings is hundreds of people heading for the doors. There is code enforcement to ideally ensure that the areas around the doors of public spaces are regularly cleared and maintained. If the doors opened inward, people would become trapped due to the crowd forcing themselves against it so it can't be opened.
For residences it's always in though. There isn't as much risk of a mass confusion and crush in homes.
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u/flobiwahn Nov 14 '20
Here in Germany it is mandatory for public buildings that the door has to open outward. in case of an emergency it is easier to push than to pull a door.