Impolite: Tipping is considered quite rude and the waiter/waitress will chase you to return it: Japan, Thailand, Philippines
Thailand
The United States
Japan
The Phillipines
Impolite: If you talk during the national anthem, you can get angry looks: Canada, United States, United Kingdom
Spain
Canada
The United Kingdom
United States
Impolite: It's rude to look, smile or start small conversations with strangers unless it's necessary: Italy, Russia, Germany
Germany
Spain
Russia
Italy
Impolite: Using the left hand is traditionally considered unclean so it's inappropriate to greet, hold things or eat with it: Ireland, India, Portugal
Spain
Portugal
Ireland
India
Impolite: Leaving food on your indicates that your host may not have served enough food or a satisfying meal: Spain, France, China
China
France
Spain
The United Kingdom
Impolite: The horn should only be used in emergencies; therefore, your unnecessary beeping might lead drivers to panic: New Zealand, Norway, Iceland
Iceland
Norway
New Zealand
Spain
Polite: You should always start a conversation by saying greeting hello: Argentina, Egypt, France
France
Egypt
Argentina
The United Kingdom
Impolite: Don't talk with your hands on your pocket, it shows you're not interested in the conversation: Poland, Panama, Germany
Spain
Germany
Panama
Poland
Impolite: Blowing your nose is generally perceived as repulsive. Instead, it is advisable to politely excuse yourself as if you need to visit the restroom: Italy, France, Brazil
France
Italy
Brazil
Spain
Impolite: It is best to refrain from opening a present on the spot as it is regarded as greedy or impolite: India, Philippines, China
India
Spain
China
Phillipines
Impolite: Don't ask "What do you do?" because there's a great social welfare system regardless of your job and they can consider you a classist: The United States, The United Kingdom, The Netherlands
Spain
The United States
The United Kingdom
The Netherlands
Polite: Slurping noodles is not only acceptable, but is also a sign of appreciation: Romania, Turkey, Japan
Japan
Romania
Spain
Turkey
Polite: Burping aloud is an easy way to convey to the entire table that you are now happy and well fed: Uruguay, Russia, China
Russia
China
Spain
Uruguay
Polite: Arriving late to a party is not merely polite, it’s an act of graciousness to avoid the risk of interrupting your host doing last-minute preparations: Costa Rica, Argentina, Italy
Spain
Argentina
Italy
Costa Rica
Polite: Eating with your hands is not only acceptable, it’s customary: Ethiopia, Russia, Mexico
Mexico
Ethiopia
Russia
Spain
Polite: It is generally considered wasteful to discard food, so it's okay to eat food that has fallen on the ground: Egypt, Korea, Spain
Korea
Egypt
Spain
The United States
