v256.0 · infrastructure · JP · verified 2026-04
Japan infrastructure
Infrastructure profile for Japan — electricity, internet + telecom, public transport, road network, airports, seaports, water, digital government, ICT readiness, and recent investments.
Overview
Mature world-class infrastructure with aging + earthquake-resilience focus · GCI top-10 · Shinkansen pioneer
Energy + digital infrastructure
| Electricity grid | 100% electrification · Reliability 99.999% (among world's most reliable) · Generation 950 TWh 2024 · Mix: gas 32%, coal 28%, nuclear 7% (restoring post-Fukushima), renewables 25% · Frequency split 50/60 Hz (East/West) · 100V · Type A/B |
| Internet + telecom | Average fixed broadband 250+ Mbps (Ookla 2024, fiber-to-home universal) · 5G nationwide (NTT Docomo, KDDI au, SoftBank, Rakuten Mobile) · Mobile penetration 165% · World-class digital infrastructure |
Transport networks
| Public transport | World-class · JR (Japan Railways) Shinkansen network — original 1964, now 3,000+ km HSR · Tokyo Metro/Toei + regional metros · Bullet trains 320 km/h max · IC card universal (Suica, Pasmo, ICOCA) · Buses excellent |
| Road network | Excellent — 8,700 km expressways · Left-hand drive (UK-style) · ETC electronic toll · Strict traffic enforcement · Toll roads expensive · Major cities heavy use of trains over driving |
| Airports | Tokyo Haneda (HND) — domestic + international (85M 2024) · Tokyo Narita (NRT) — international · Kansai (KIX, Osaka) · Chubu (NGO, Nagoya) · 90+ commercial airports · LCCs strong domestic |
| Seaports | Tokyo + Yokohama (combined Keihin) — Japan's #1 · Kobe + Osaka (Hanshin) · Nagoya · Major Pacific trade · Smaller TEUs vs China but high-value cargo |
Water + government services
| Water infrastructure | Excellent — universal mature infrastructure · Tap water drinkable nationwide · Disaster-resilient design post-2011 · Earthquake-resistant pipes mandatory |
| Digital government | My Number Card (national ID) rollout (90%+ 2024) · Mynaportal services growing · Digital Agency (Digital-cho) established 2021 · Hanko (stamp) tradition slowly digitizing · Cash-society slowly digitizing |
| ICT readiness | WEF NRI top-15 · IMD Digital Competitiveness ~31 (2024, room for improvement given economic size) · NISC cybersecurity active · Strong cybersecurity standards · Some legacy systems |
Recent + planned investments (2023-2026)
2024-25: Hokkaido Shinkansen Sapporo extension by 2031 · Maglev Chuo Shinkansen Tokyo-Nagoya 2027+ (delayed to ~2035) · Restart nuclear post-Fukushima accelerating · Hydrogen + ammonia investments · 5G+ rollout · Earthquake resilience continuing investments · Defense capability building
Source: official Japan regulator page · Last verified 2026-04
See also: Japan country profile · infrastructure atlas