Ndrangheta is an umbrella group so how many clans actually have international branches? There's over 100 clans and i doubt all of them have an international branch (es). No differ from these other crime associations , some groups are more larger than others just like street gangs umbrellas.
ndrangheta is an unique oganization like cosa nostra, there are several clans but they belong to a single criminal group and there is a boss of bosses according to police it has nothing to do with street gangs, very different thing, ndrangheta is strongly connected with politicians, freemasons, businessmen, street gangs run just streets stuff (drug dealing, prostitution) and they are not a single group, although bloods and crisps may claim of