Korea's music and broadcast exports have been the same size for thirteen years — and they do not move together

Korea exports music and Korea exports television. They are usually discussed as one thing — the Korean wave, one export story with two faces. The survey that measures both has thirteen years where the series overlap, and it says something more specific.

They are almost exactly the same size, and they have been the whole time.

In ten of the thirteen years the two are within 20% of each other. The ratio has been above 1 in nine years and below in four, and until recently it never left the band.

They arrive at the same number by different routes

That is the part that is easy to miss. Being the same size year after year looks like one force driving both. Their growth rates say the opposite.

Year-on-year growth in the two series correlates at r = −0.13. That is not a relationship. In three of twelve years they moved in opposite directions outright — most sharply in 2020, when broadcast exports grew 28.5% and music exports fell 10.1%.

2020 is the clearest case. Touring stopped and music export growth went negative; broadcast content had its best year of the decade. Two industries, one shock, opposite signs — which is what you would expect from a business built on physical gatherings sitting beside one built on licensing files.

2024 is the first real divergence

The ratio reached 1.43 in 2024, the widest in the series, on music growing 47.4% against broadcast’s 20.0%. That is one year. The band held for twelve before it, and one year outside a band is not a break in it — it is one year outside a band.

We will know in eighteen months, which is how far behind this survey runs.

What this is useful for and what it is not

Useful: if you are sizing Korean content exports and you have one of these two numbers, the other one is close. That has been reliable for over a decade and it is a genuinely handy fact.

Not useful: predicting one from the other’s direction. They have been the same size and unrelated in motion at the same time, which is a strange combination and the reason we would rather print both series than a single “Korean wave export” figure.

And this is two categories, not the whole industry. Games are larger than both and games are not in this comparison. We picked these two because they are the pair most often treated as one story; the survey does not treat them as one, and neither should a forecast.