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JapanPlatform

Asia · Pop. 124M · #15 startup ecosystem by EV

A public taster of the full Japan ecosystem on Dealroom — request a demo for live deal flow, founder pedigrees, AI-talent maps, and the full cap table for every company below.

1 Overview

5,185 Pool of Funded Startups
1,061 Annual Startups FoundedAll new ventures
535 Annual Startups FundedReceived investment
get funded 50%
1,712 Pre-Seed Startups$100K–1M
1,558 Seed Startups$1–4M
Pre-Seed to Seed 20%
1,177 Series A Startups$4–15M
Seed to Series A 26%
466 Series B Breakouts$15–40M
A to Series B 27%
173 Series C Breakouts$40–100M
B to Series C 41%
75 Mega Scaleups$100–250M
reach Mega 1.4%
24 Mega+ Scaleups$250M+
reach Mega+ 0.46%
20 Unicorns($1–10B valuation)
reach Unicorn 0.39%
1 Decacorns($10–100B valuation)
reach Decacorn 0.019%
Pre-Seed
1,712
Seed
1,558
Series A
1,177
Series B
466
Series C
173
Unicorn
20
Decacorn
1

* C→Unicorn and Unicorn→Decacorn rates are derived from current counts (no founding-cohort data); the four mid-funnel rates use Dealroom's cohort tracking.

2 Largest rounds

Largest funding rounds in Japan

A live treemap of $40M+ rounds from the Dealroom API. Each cell is one round into a Japan-headquartered company, grouped by Dealroom sector.

Largest rounds in Japan - 2024–2026

Every $40M+ VC round into Japan-headquartered companies in 2024–2026, grouped by Dealroom sector.
- rounds · - raised
Live from Dealroom API Open full VC dashboard

3 Startup hubs

Inside Japan: 8 startup hubs, 900 universities

Hubs are sized by combined enterprise value; universities by the startup founders they produced. Hover any point for its numbers; the lists rank hubs by EV and universities by founders.

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By enterprise value · 5-yr growth
1 Tokyo $194B 5.4× 5-yr
2 Osaka - Kobe $22.6B 9.5× 5-yr
3 Kyoto $5.5B 7.7× 5-yr
4 Okinawa $3.7B 4.1× 5-yr
5 Fukuoka $1.6B 3.9× 5-yr
6 Kagoshima $1.4B 3× 5-yr
7 Nagoya $1.2B 14× 5-yr
8 Sendai $1.1B 49× 5-yr
Universities · founders produced · 900 tracked

4 VC investment

How much venture capital flows into Japan

VC investment into Japan-headquartered, VC-backed companies, broken down by round size, company location, sector and funding stage.

5 Founder origins

Where Japan's unicorn founders build

42 founders born in Japan are behind 21 unicorns; 19% of those were built in the US. Origins are resolved from biography and education history, not current address. Compare with the other origin countries in Asia, ranked by founders or per 1M inhabitants.

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6 Location comparison

How Japan stacks up

Compare Japan with similarly sized ecosystems in Asia — switch between combined EV, 5-year EV growth, and a growth × size view. Expand the table for the full ranking.

$598B
$432B
$321B
Japan
$229B
$179B

Combined enterprise value of each ecosystem.

7 Patent intelligence

Japan startup IP portfolio: 1.5M patent families

Granted patent families assigned to startups headquartered in Japan. Aggregated across the country's hub-level filings — Bay Area, Boston, etc. roll up under the United States row, the same way Tokyo and Osaka roll up under Japan.

Granted patent families
1.5M
Filed by tracked startups headquartered in the country.
11867 patents per million residents · #3 globally
Top patenting hubs
1 Greater Tokyo Area, Japan 1.1M
2 Keihanshin Major Metropolitan Area, Japan 218K
3 Chūkyō Major Metropolitan Area, Japan 170.4K
4 Fukuoka-Kitakyushu Major Metropolitan Area, Japan 8,840
5 Sendai Major Metropolitan Area, Japan 3,344
6 Kagoshima Metropolitan Area, Japan 513

8 Sector concentration

Where Japan punches above its weight

Sectors in which Japan's share of the global unicorn pool is bigger than its overall share. A 5× over-index means Japan is 5× more represented in that sector than in the global average. Source: top-hub aggregation across the 18 simplified sectors.

✈️ Aviation
17.2×
1 unicorns · 8.3% of global sector
🦾 Robotics
14.7×
2 unicorns · 7.1% of global sector
🚀 Space
12.9×
2 unicorns · 6.3% of global sector
4.68×
5 unicorns · 2.3% of global sector

9 Premium analytics

What we don't show on this page (yet)

Sector breakdowns, founder origins, AI-talent leaderboards and live deal flow are gated to logged-in Dealroom users. Book a demo to access the full Japan dataset — or see a sample on the Dealroom app.

Sector breakdown
Where Japan's unicorns concentrate
Fintech
AI / Enterprise SW
Health Tech
Biotech
Cybersecurity
Consumer
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Capital autonomy
Japan's domestic vs foreign capital mix
% domestic VC by stage
Cross-border lead investors
Sovereign-fund participation
Foreign-LP exposure
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Recent momentum
Japan's VC investment trajectory by stage
2024 vs 2025 by stage
Round-size trends
Stage-conversion deltas
Quarterly velocity
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Founder origins
Where Japan's startup founders come from
By country of origin
Per capita
Top universities
Top alumni-factory companies
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AI talent
Top employers of AI talent in Japan
Core AI roles
Frontier AI roles
YoY hiring growth
Senior + lead engineers
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Deal flow
Live deal flow & funding rounds in Japan
New rounds last 30 days
Stage breakdown
Active investors
Round-size trends
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Get the full Japan ecosystem on Dealroom

Live company-by-company deal flow, full cap tables, founder pedigrees, hiring signals and revenue trajectories.