USA generally, not in every event, but on the whole.
Missy Franklin holds 11 world records in swimming.
Micheal Phelps i think
Michael Phelps
There are so many swimming events. The question must be more specific. Which events? Long course pool or short course pool? World records or national records?
32 new world records were set and there were also new Olympic records set with 11 just in the 47 athletic events and 20 more in the 34 swimming events. There are also many other records for World Junior, Asia, African, European, Country and individual records
mexico leads the world in cork production
In 1967 nobody got a world record
There are many records for swimming. This is because there are many different swimming strokes. They were also set at different times.
There are a lot of world records out there for swimming. There are more than 20 different swimming events. You have to be more specific for what time you want.
China is the leading country in the world who produces the most pork in the world.
none
Canada.