12. The United Kingdom
The United Kingdom, number 12 on our list of countries with the strictest customs, border control and airport security in the world has, according to many passengers, very strict airport security and customs. Recently, these rules have been tightened even more and the UK also decided to follow new rules about carrying electronics. If any of your electronics (refers to those bigger than the standard smartphone) cannot be turned at the moment of inspection it may be banned from the flight. One of the most popular goods to be confiscated in this country is Marmite (the byproduct of beer brewing) because it breaks the liquid rule if it is over 100 g. Heathrow airport in London is often mentioned as the one with strictest rules in the UK.
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