# Indo-Pacific Arms Race Accelerates

Over the next 3-6 months a sharpening regional arms race drives Japan and its neighbors to expand militaries and export weapons—Tokyo moving to sell missiles—as maritime confrontations with China multiply and Asian rearmament gathers pace.

- Conviction: 90 / 100 (strengthening)
- 7-day move: -4
- 30-day move: -10
- Horizon: Medium term (3-9 months)
- Tracking since: 2026-05-31T00:00:00.000Z
- Last updated: 2026-07-31T14:00:04.511Z
- Canonical: https://polylog.news/trends/indo-pacific-arms-race
- Publisher: Polylog
- Affected regions: China

## Recent score history

- 2026-07-30: 84
- 2026-07-31: 90

## Recent evidence

- [confirms] China Fires Hypersonic Anti-Ship Missile From a Smaller Warship as Japan Opens New Intelligence Bureau (2026-07-31): China's YJ-20 hypersonic launch from a Type 052D destroyer coincided with Tokyo opening a new intelligence bureau, marking a widening Indo-Pacific security buildup. New offensive missile reach plus new Japanese intelligence institutions show the race extending into both hardware and intelligence structures.
- [confirms] China Fires Hypersonic Anti-Ship Missile From Smaller Warship as Japan Tests Ship-Launched Cruise Missile (2026-07-31): China fired a hypersonic anti-ship missile from a smaller Type 052D destroyer as Japan tested a ship-launched cruise missile, marking a widening race to arm the western Pacific. Simultaneous capability jumps on both sides confirm the accelerating regional buildup.

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