1 They come from big families
Many Egyptians come from big families that often talk loudly due to the big number of family members and their desire to be heard.
2 They interrupt each other
Egyptians often interrupt each other and overlap when they're talking, which could make them raise their voices in order to be heard.
3 They live in a noisy environment
Most cities in Egypt are known for being loud and noisy, which could be an indirect influence on the people who become loud in order to adapt to their environment.
4 They have a hot temper
Many Egyptians have hot tempers, which could be the main reason why some of them speak loudly and/or angrily all the time.
5 The widespread of street vendors
Street vendors can be found in many parts of Egypt, which could lead some people to believe that Egyptians are loud because vendors sell their products by shouting in the streets.
6 Due to overpopulation
Egypt's overpopulation problem is one reason behind Egyptians being loud, as people need to raise their voices in the streets and public spaces in order to be heard over the sound of traffic and people talking and sometimes fighting.
7 Due to constant traffic jams
The prevalence of traffic jams in many parts of Egypt is one reason behind Egyptians' loudness, as they have to raise their voices in order to be heard while people incessantly use their car horns and yell at each other in traffic.
8 It's in their culture
Egypt is known for its extravagant wedding parties, loud mourning events and public call to prayers, which could be an indirect effect on the loudness of the people.
9 They don't notice that they're loud
Some Egyptians don't even notice that they're loud and only notice when someone points it out. This is because they've gotten used to the noisy and loud environment they live in.