What do you mean by 'sustainable'? Anarchic societies have lasted longer than any other societies, because they exist at the simplest, most basic level of human survival, primarily as hunter-gatherer tribes. Such societies are at least as close to true anarchy as any human group can get. read more
Not for a state or country as those imply governments. However anarchist societies have outlasted most governments, which is more than ample evidence that they are more sustainable than statism. read more
No. The concept of anarchy does not fit well with the two words ‘country’ and ‘rules’ anyway. There are communities throughout the world, even today, that could be seen to exhibit certain anarchist tendencies. There are self styled/labeled anarchish groups in rich western societies . read more