Vietnam has such a large population that it is regionally significant, but yeah, definitely not a world power. The only real world powers are the US, Russia, China, and sometimes a messy block of the biggest EU countries. India might get there someday by virtue of size but economic development there is very bad. Countries like Iran, Brazil, the UK, Japan, and Mexico are globally significant but their power projection is a shadow of what the big three can do.
Vietnam has such a large population that it is regionally significant, but yeah, definitely not a world power. The only real world powers are the US, Russia, China, and sometimes a messy block of the biggest EU countries. India might get there someday by virtue of size but economic development there is very bad. Countries like Iran, Brazil, the UK, Japan, and Mexico are globally significant but their power projection is a shadow of what the big three can do.