K Culture WireKorean pop culture, in numbers

Does a title climb after it enters the chart?

Name: Does a title climb after it enters the chart?
Creator: K Culture Wire

Netflix publishes a rank per title, per country, per week. That makes one question answerable for every run on the chart: was the opening week the highest it ever sat?

When a title enters a country's top 10, is that week its highest rank — or does it climb afterwards?

108,403 runs

How a run is counted. One run is one title in one country on one list (Films or TV). A title charting in six countries is six runs.

	Runs	Climbed after week one	Peaked in week one	Mean weeks
Korean titles	7,022	57.5%	42.5%	4.9
Everything else	101,381	40.5%	59.5%	3.9

Runs of a single week are not in this table. A run of a single week cannot climb, so counting it as "did not climb" would be counting the calendar rather than the title. The gap between the two rows is 17 points.

The objection, tested

Korean runs last longer — 4.9 weeks against 3.9 — and a longer run has more weeks in which to beat its first. If that is all this is, the gap should vanish once runs of the same length are compared.

Run length	Korean climbed	Everything else	Gap
2 weeks	39.7% n=2,535	30.7% n=48,895	+9
3 weeks	65.2% n=1,262	49.8% n=21,824	+15.4
4–5 weeks	63.3% n=1,369	47.1% n=17,529	+16.2
6–10 weeks	69.1% n=1,413	50% n=8,778	+19.1
11 weeks or more	81.7% n=443	58% n=4,355	+23.7

It does not vanish in any band. The gap runs from 9 points to 23.7, and among the longer runs it widens rather than narrows.

And by format

Format	Korean climbed	Everything else	Gap
Series	62.5% n=4,728	46.6% n=35,952	+15.9
Films	47.1% n=2,294	37.1% n=65,429	+10

Korean chart presence is more heavily series than the field is, so the two formats are separated here. Korean films climb less often than Korean series and still more often than non-Korean films — the gap survives in both formats. The full story →

What we wrote from this data

Korean titles climb the Netflix chart after they arrive. Most other titles peak in week one.
Across 93 markets, 57.5% of Korean chart runs reach a higher rank than their opening week against 40.5% for everything else. Longer runs give more chances to climb — and the gap holds inside every run-length band.
8 August 2026

Where these numbers come from, and what they cannot answer

Netflix — Netflix Top 10 (Tudum) weekly country lists for every country Netflix publishes; Korean titles identified via Wikidata country of origin (P495 = Q884), with titles Netflix classes on its English-language global charts excluded
Not word of mouth. A rank improves when a title gains viewers or when the titles above it lose them. Nothing here separates those, and we do not use the phrase as a finding.
Not how far. We measured whether a later week beat the opening week, not by how much. Tenth to ninth counts the same as tenth to first.
Not viewing. A rank is a position against the other titles in that country that week.
The two columns are complements. Climbed and peaked-in-week-one sum to the number of runs in every group above, and the collector refuses to run if they do not.
One market is excluded and we name it. Russia — Netflix stopped publishing a list for this market in 2022, so its runs cover a different window from every other market.

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