Which is better, immigration, going to America, Australia, Canada or Britain?

Investment and skilled migration to Canada have been closed, and the immigration policy of the United States has been relaxed recently, but it is still very strict. Britain can't even think about it, which is more difficult than the United States and Canada combined, so that Australia doesn't know much about it. It is best to come to Canada if you have the ability. The first-class environment makes the population sparsely populated, but the price is a bit high (about 13% more tax than that in the United States).