There isn't really an exact number. The only people who stepped into there back yard see it
Rome, the capital of Italy, is in the northern hemisphere. You cannot see the Southern Lights from the northern hemisphere.
an aurora
an aurora
It is extremely rare to see the northern lights in China as it is not located within the auroral zone where the lights are most commonly visible. The best places to see the northern lights are typically in high-latitude regions such as Scandinavia, Canada, or Alaska.
On some parts of the Arctic you can see the Northern Lights.
Are you planning to go see the northern lights soon?
Yes you can see the northern lights from Utah but only on rare occasions when solar activity is extremely high. I have personally seen them in northern Utah.
Yes. Northern Iowa.
Alaska does not 'have' northern lights. You can just see them from there, as you can from parts of Canada.
Sometimes. However, the best places to see the Aurora Borealis (the "northern lights") is in Finland and northern Scandinavia. Northern Canada is good, too, but fewer people live that far north in Canada. The website spaceweather.com is one of the best sources for photos of and information about the northern lights.
People do talk about them. You probably live in the northern hemisphere, so the Northern Lights are more relevant there. In the southern hemisphere, people would be talking about the Southern Lights, as that is what they might be able to see. Where they are, they would not be talking about the Northern Lights.