You will almost certainly be charged in court with a crime, and your firearms may be confiscated.
Too many to list. There are several hundred.
This all depends on the country where you live. Some countries consider them firearms. In the USA they are not considered firearms but you must be 18 to purchase one. Other countries may not consider them firearms but they are heavily regulated.
As of October 2023, the Transportation Security Administration (TSA) has confiscated millions of threatening items since its inception in 2001. In recent years, the number of prohibited items detected at airport security checkpoints has increased significantly, with reports indicating over 6,000 firearms confiscated in a single year. The TSA regularly updates its statistics, reflecting ongoing efforts to enhance aviation security. For the most current numbers, it's best to check the TSA's official website.
none legally.
There is no way to answer that, since there is no public record of where each firearm is located. Some belong to countries that do not want anyone to know how many guns they have.
It is a pistol that fires BBs or Pellets that are powered by Air or C02, NOT Gunpowder. Some countries consider them Firearms some do not consider them firearms.
The list is FAR too long for a brief answer. The countries that DO permit private ownership of firearms is a much smaller list. The countries that permit CARRYING a firearm is smaller still.
Over hundreds, it's really impossible to say exactly or even estimate because guns are being produced in different countries all the time. But it is safe to say that there are MAny guns
There are no exact numbers- only guesses. In many cases, firearms are made by governments that do not release information on how many they have. One estimate is about 875 million firearms. 650 million of those are owned by civilians.
too many...
As many as you want