In terms of the greatest concentrations of Jewish population, some obvious locations are Israel, USA (New York, Chicago, LA, Cleveland, Toledo), Buenos Aires, London, Paris, and Hong Kong. There are others.
India
Um, where is WHAT practiced today?
Everywhere you are and aren't, maybe.
Yes, ballet is still practiced today.
it is not practiced today
Yes. It is the 3rd most practiced religion in the world.
yes, book burning is still practiced today
'Chicago School of Business' seems to be the most widely accepted and practiced mgt. philosophy in use today.
it is practiced everwhere where the jain's lived
The fourth 'commandment' is to keep Shabbat which Jews most definitely do.
Christianity is practiced most today in the Americas, particularly in the United States and Brazil, as well as in Europe, with countries like Russia, Germany, and Italy having significant Christian populations. Additionally, countries in Africa such as Nigeria and the Philippines in Asia also have large Christian populations.
Hinduism is an old religion based on the beliefs of karma and dharma. Hinduism is practiced through out India and is their dominant religion.