Summary

documented The population is 123 million with 86% internet penetration; newspaper subscription is 50.1% of households and daily newspaper readership 33.4%.¹² inferred Segment sizing below is an extrapolation from these rates and is labelled as such — no source here measures demand for a new entrant.

The segments

Segment	Evidence base	Sizing note
Under-30 political video consumers	documented short-form/video SNS outrank TV and newspapers for 20-somethings' voting decisions1	The largest growth segment and the hardest to monetise directly
30s–40s dual-source readers	documented internet (non-SNS) ranks 1st for under-30s and 2nd for 40s–50s as a voting-information source1	Likely the subscription-capable core
Existing liberal print readers	documented Asahi 3.18m + Mainichi 1.15m print circulation, both declining3	Migrating, not new; capturing them is a substitution play
Civic/professional readers	inferred no direct measure	Lawyers, academics, NGO staff — the counter-coalition's personnel pool
Diaspora and English-reading Japan-watchers	inferred no direct measure	Small, high willingness-to-pay, low domestic political salience

The two unknowns that decide the business

1. Willingness to pay. documented Nikkei has 1.02m paid digital subscribers and Asahi ~308k, so paid digital news is demonstrably purchasable in Japan.² inferred What is unknown is whether a new brand can charge for political content in a market where political content is widely free.
2. Video monetisation of political content. documented Anonymous creators captured 55% of election-video views — i.e. the format monetises attention, but the sources do not show whether it monetises subscription.²

Links

• Market Gap Analysis
• Business Model Options
• Distribution Strategy

Footnotes

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1. Japan Newspaper Foundation survey (2025) — population-adjacent consumption rates, the age gradient in voting-information sources. ↩↩↩

2. Reuters Institute DNR 2026 Japan — internet penetration, Nikkei vs Asahi paid digital, the anonymous-creator share. ↩↩↩

3. Circulation figures as recorded in Circulation, Reach and the Digital Gap. ↩