Italian.
Go figure.
Matt Zajechowski writes:
Reaching out to share an interactive graphic/map that I helped develop with Olivet Nazarene University that covers the second most spoken languages around the world. We’ve excluded any official languages from being the second most spoken language and noted them as official languages for each country to avoid any confusion.
ALL MAPS: The Second Most Spoken Languages Around the World (Olivet)
Related: The World’s Most Spoken Languages























