Recent verified changes
Crude moved to 166 days8.0 days week on week · source date 2026-03-18Japan CRUDE cover moved 8 days week on week.
Diesel moved to 52.0 days7.0 days week on week · source date 2026-03-18Japan DIESEL cover moved 7 days week on week.
Petrol moved to 49.0 days6.0 days week on week · source date 2026-03-18Japan PETROL cover moved 6 days week on week.
LPG moved to 28.0 days6.0 days week on week · source date 2026-03-18Japan LPG cover moved 6 days week on week.
Jet fuel moved to 40.0 days5.0 days week on week · source date 2026-03-18Japan JET cover moved 5 days week on week.
LNG moved to 23.0 days5.0 days week on week · source date 2026-03-18Japan LNG cover moved 5 days week on week.
Methodology for this country page
Reserves Monitor never treats the article publish date as the stock measurement date. Each live claim stores a separate source date, extraction time, and last checked time.
The public confidence score is deterministic. It is reduced for non-official sources, inferred calculations, on-water or mixed stock scope, and stale source windows.
Read the source ranking and validation policy
Evidence trail
Live source cards
Official sources rank first. Media or modelled values are labeled explicitly.
Uses METI stockpiling tables for fuel families and keeps official days-cover figures where published.
Source titlePetroleum stockpiling status
PublisherAgency for Natural Resources and Energy, METI
Source date2026-03-18
Published date3/18/2026, 9:00:00 AM
Extracted date3/20/2026, 11:00:00 PM
Last checked3/21/2026, 8:30:00 AM
Classificationofficial reported
Confidence92/100 · high
Snippet: Private and state stocks remain available.
- Official publisher domain matched the source registry.
- Fuel unit normalized to days of cover before publication.
- Measurement date captured separately from article date.
Uses METI stockpiling tables for fuel families and keeps official days-cover figures where published.
Source titlePetroleum stockpiling status
PublisherAgency for Natural Resources and Energy, METI
Source date2026-03-18
Published date3/18/2026, 9:00:00 AM
Extracted date3/20/2026, 11:00:00 PM
Last checked3/21/2026, 8:30:00 AM
Classificationofficial reported
Confidence92/100 · high
Snippet: Private and state stocks remain available.
- Official publisher domain matched the source registry.
- Fuel unit normalized to days of cover before publication.
- Measurement date captured separately from article date.
Uses METI stockpiling tables for fuel families and keeps official days-cover figures where published.
Source titlePetroleum stockpiling status
PublisherAgency for Natural Resources and Energy, METI
Source date2026-03-18
Published date3/18/2026, 9:00:00 AM
Extracted date3/20/2026, 11:00:00 PM
Last checked3/21/2026, 8:30:00 AM
Classificationofficial reported
Confidence92/100 · high
Snippet: Private and state stocks remain available.
- Official publisher domain matched the source registry.
- Fuel unit normalized to days of cover before publication.
- Measurement date captured separately from article date.
Uses METI stockpiling tables for fuel families and keeps official days-cover figures where published.
Source titlePetroleum stockpiling status
PublisherAgency for Natural Resources and Energy, METI
Source date2026-03-18
Published date3/18/2026, 9:00:00 AM
Extracted date3/20/2026, 11:00:00 PM
Last checked3/21/2026, 8:30:00 AM
Classificationofficial reported
Confidence92/100 · high
Snippet: Private and state stocks remain available.
- Official publisher domain matched the source registry.
- Fuel unit normalized to days of cover before publication.
- Measurement date captured separately from article date.
Converts LNG storage and send-out balances into days of cover against recent demand.
Source titleGas and LNG inventory monitor
PublisherMETI
Source date2026-03-18
Published date3/19/2026, 12:30:00 AM
Extracted date3/20/2026, 11:10:00 PM
Last checked3/21/2026, 8:30:00 AM
Classificationreporting extracted
Confidence84/100 · high
Snippet: LNG tanks remain below the seasonal peak.
- Official publisher domain matched the source registry.
- Fuel unit normalized to days of cover before publication.
- Measurement date captured separately from article date.
Uses reported government and private crude stocks divided by recent refinery runs.
Source titleNational and private crude inventory status
PublisherAgency for Natural Resources and Energy, METI
Source date2026-03-18
Published date3/18/2026, 9:00:00 AM
Extracted date3/20/2026, 11:12:00 PM
Last checked3/21/2026, 8:30:00 AM
Classificationofficial reported
Confidence90/100 · high
Snippet: Crude cover remains well above consumer fuels.
- Official publisher domain matched the source registry.
- Fuel unit normalized to days of cover before publication.
- Measurement date captured separately from article date.
Helium cover is carried as a clearly labeled modelled reserve layer. It is maintained separately from core fuel-cover layers and is not blended into the overall fuel metric.
Source titleReserves Monitor helium reserve model
PublisherReserves Monitor
Source date2026-03-18
Published date3/19/2026, 12:30:00 AM
Extracted date3/20/2026, 11:12:00 PM
Last checked3/21/2026, 8:30:00 AM
Classificationinferred modelled
Confidence74/100 · medium
Snippet: Helium reserve cover is shown as a clearly labeled modelled layer.
- Derived only from live approved country fuel claims.
- Underlying source dates and badges are preserved on each component layer.
- Modelled layer is clearly labeled and linked to methodology.
Weighted composite of petrol, diesel, jet, LPG, and LNG live claims. Crude is shown separately and is not blended into the public overall-fuel number.
Source titleReserves Monitor weighted fuel-cover methodology
PublisherReserves Monitor
Source date2026-03-18
Published date3/19/2026, 12:30:00 AM
Extracted date3/20/2026, 11:12:00 PM
Last checked3/21/2026, 8:30:00 AM
Classificationinferred modelled
Confidence84/100 · high
Snippet: Composite cover uses weighted live fuel layers.
- Derived only from live approved country fuel claims.
- Underlying source dates and badges are preserved on each component layer.
- Modelled layer is clearly labeled and linked to methodology.
Applies the country import-stress penalty to the weighted overall-fuel layer. This is explicitly modelled and does not replace directly sourced fuel layers.
Source titleReserves Monitor disruption-adjusted cover model
PublisherReserves Monitor
Source date2026-03-18
Published date3/19/2026, 12:30:00 AM
Extracted date3/20/2026, 11:12:00 PM
Last checked3/21/2026, 8:30:00 AM
Classificationinferred modelled
Confidence76/100 · medium
Snippet: Import reliance discounts the overall cover estimate.
- Derived only from live approved country fuel claims.
- Underlying source dates and badges are preserved on each component layer.
- Modelled layer is clearly labeled and linked to methodology.
Archive
Superseded claim history
Older approved claims stay archived instead of being silently overwritten.
Petrol previously sat at 43.0 daysSource date 2026-03-11 · Official · superseded by jpn petrol liveUses METI stockpiling tables for fuel families and keeps official days-cover figures where published.
Diesel previously sat at 45.0 daysSource date 2026-03-11 · Official · superseded by jpn diesel liveUses METI stockpiling tables for fuel families and keeps official days-cover figures where published.
Jet fuel previously sat at 35.0 daysSource date 2026-03-11 · Official · superseded by jpn jet liveUses METI stockpiling tables for fuel families and keeps official days-cover figures where published.
LPG previously sat at 22.0 daysSource date 2026-03-11 · Official · superseded by jpn lpg liveUses METI stockpiling tables for fuel families and keeps official days-cover figures where published.
LNG previously sat at 18.0 daysSource date 2026-03-11 · Official · superseded by jpn lng liveConverts LNG storage and send-out balances into days of cover against recent demand.
Crude previously sat at 158 daysSource date 2026-03-11 · Official · superseded by jpn crude liveUses reported government and private crude stocks divided by recent refinery runs.