Why are K-pop groups so big?

The rapid global growth of Korean music over the past decade has puzzled non-fans (and even experts), and it seems that the size of K-pop groups might be a mystery, too.

South Korean girl group with Vietnamese member sets new K-pop record - VnExpress International

The fight between K-pop companies HYBE and SM, explained - Los Angeles Times

twice: Twice K-Pop girl group: All you need to know - The Economic Times

What is your favorite size for k-pop groups and why? : r/kpopthoughts

K-pop band mistakenly sport wrong Rangers shirts at Dallas gig, K-pop

K-Pop Girl Group Kep1er on “FIRST IMPACT,” “Girls Planet 999,” and What's Next

Why are K-pop groups so big?

How 4th-generation girl groups are reshaping K-pop universe - The Korea Times

Fresh off military hiatus, Big Bang and other 2nd gen K-pop groups leap back into limelight : Arts & Entertainment : News : The Hankyoreh

Start Here: Your Guide To Getting Into K-Pop : NPR

K-pop group B.I.G. are coming to Abu Dhabi and they'll sing in Arabic

The 35 Best K-Pop Groups to Listen to Right Now

Why are K-pop groups so big? : 네이버 블로그