It depends on the style of karate. In some styles there is a red belt before reaching Black Belt. In others the red belt represents as the 9th and 10th dan (black belt) in karate.
In shotokan karate, the 9th kyu grade is orange belt, after the 8th kyu grade, red. But this will vary according the the particular school of karate, some schools not using a red belt at all in their system. In some styles the red belt indicates 9th or 10th Dan, which is as high as you can go.
It will depend entirely on your style of karate and the school. In my style a red and white belt indicates 8th and 9th degree Black Belt. A 10th degree is solid red.
It will depend on the school or style of karate. In some styles, red belt is one of the levels on the way to black belt. In the Okinawan styles, a red belt indicates someone at the 9th or 10th Dan level, a Grandmaster.
That depends on the style of karate. In some red belt is a step on it way to black belt. In traditional Okinawan styles it represents the highest ranks of 9th and 10th Dan.
Black belt is the highest. Though traditional Okinawa karate uses a red and white belt to indicate 7th and 8th degree black belt and solid red for 9th and 10th. Many American schools use the red belt as a kyu level below black belt.
In most of the traditional Okinawan styles of karate, a red and white belt is worn by those that have earned their 7th and 8th degree black belts. Those that have 9th and 10th degree wear a solid red belt.
Yellow belt is just past white. It means that you might know a little more than someone who's never done karate at all.
the first belt in karate is white
No, there is no restriction on belt colors in the US. In some styles, red indicates a level in the kyu range. In traditional Okinawan karate, red indicates someone that is 9th or 10th degree blackbelt.