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STATS19 DATA LAB · GREAT BRITAIN
Police-reported injury collisions in Great Britain · geographic history 2016–2025 · record analysis 2021–2025
Fuel-specific rates depend on compatible mileage; stock is not exposure.
Charts displayed; exact values remain available with each chart.
VEHICLE MILEAGE · PHASE 4
Start with the supported car-and-taxi rate. Inspect fuel counts and the MOT mileage sample before interpreting a fuel comparison.
Selected comparison: 2025 · All supported MOT fuels
Derived descriptive rate
Outcome: Car-and-taxi involvements
Adjustment: Descriptive; no age or fuel adjustment
Interpretation limit: Involvement does not imply fault. Licensed-car stock and MOT sample distance are separate indicators, not fuel-specific motor-mile denominators.
Select a point, or use the Data tab for exact values. Missing observations remain gaps.
| Year | All cars and taxis · all fuels and ages |
|---|---|
| 2021 | 0.0583 |
| 2022 | 0.0554 |
| 2023 | 0.053 |
| 2024 | 0.0502 |
| 2025 | 0.0483 |
95% collision-cluster approximation where available, conditional on the official mileage estimate. DfT mileage uncertainty is not included. 2021 travel was affected by the pandemic. Vehicle involvement does not establish fault.
| Year | Involvements | Matching miles | Per 100,000 miles | Conditional 95% interval |
|---|---|---|---|---|
| 2021 | 129,067 | 221,359,300,000 | 0.0583 | Unavailable |
| 2022 | 135,235 | 243,994,000,000 | 0.0554 | Unavailable |
| 2023 | 133,237 | 251,299,700,000 | 0.053 | Unavailable |
| 2024 | 128,678 | 256,129,700,000 | 0.0502 | Unavailable |
| 2025 | 126,826 | 262,411,300,000 | 0.0483 | Unavailable |
Fuel-specific rates per mile and age-adjusted comparisons remain unavailable. The stock indicator below uses licensed cars and does not account for how far they travel.
| Fuel | Involvements | Mean quarter-end licensed cars | Per 10,000 licensed cars | Matched miles | Per 100,000 miles | Age-adjusted rate |
|---|---|---|---|---|---|---|
| Diesel | 34,194 | 9,789,092 | 34.93 | Unavailable | Withheld | Withheld |
| Battery electric | 5,062 | 1,542,617 | 32.81 | Unavailable | Withheld | Withheld |
| Hybrid electric (combined) | 14,635 | Unavailable | Unavailable | Unavailable | Withheld | Withheld |
| Other propulsion | 83 | Unavailable | Unavailable | Unavailable | Withheld | Withheld |
| Petrol | 59,337 | 18,541,662 | 32 | Unavailable | Withheld | Withheld |
| Unknown propulsion | 13,515 | Unavailable | Unavailable | Unavailable | Withheld | Withheld |
Stock is an approximate annual denominator, not exact active vehicle-years. Missing hybrid stock mapping is retained. Neither the fuel counts nor the stock indicator isolates a causal fuel effect.
2025 · All four supported MOT fuels · Class 4 normal-test sample, ages 3–30. This profile selection changes only the MOT sample, not the all-car road rate or the fuel table.
27,503,477 / 29,603,251 selected vehicle-years have an observed eligible prior mileage interval (92.9%). Missing intervals are not zero mileage.
| Vehicle age | Selected vehicle-years | Valid intervals | Missing prior interval | Coverage | Median annual-use bounds | 50,000+ tail |
|---|---|---|---|---|---|---|
| 3–5 | 5,099,940 | 3,489,892 | 1,610,048 | 68.4% | 5,000–<10,000 | 4,846 |
| 6–9 | 9,504,146 | 9,364,004 | 140,142 | 98.5% | 5,000–<10,000 | 9,732 |
| 10–14 | 8,978,442 | 8,819,253 | 159,189 | 98.2% | 5,000–<10,000 | 7,135 |
| 15–30 | 6,020,723 | 5,830,328 | 190,395 | 96.8% | 0–<5,000 | 6,807 |
These are descriptive annualised-use bands, not calendar-year passenger-car miles. Median bounds reflect grouped readings, not confidence intervals. Class 4 includes other vehicles. The open tail means the mean, total mileage and outlier contribution cannot be reconstructed from these bands. Exposure imputation share: unavailable.
Read the MOT cohort, cleaning and selection methodology| Check | Status | Evidence |
|---|---|---|
| Broad car-and-taxi exposure | Supported | Same-year GB official car-and-taxi miles; all fuel and age groups combined. |
| MOT observed sample | Available for description | Reviewed Class 4 normal-test cohort, ages 3–30; existing quality exclusions remain. |
| Passenger-car population | Blocked | Class 4 is not car-only. No verified body-type mapping aligns MOT testers with licensed cars and STATS19 cars/taxis. |
| Exact interval mileage | Blocked | Grouped annualised use with an open 50,000+ tail does not identify means, calendar mileage, outlier sums or vehicle-cluster uncertainty. |
| Quarterly fleet expansion | Partial | GB quarterly petrol/diesel/BEV licensed-car stock is available. The archived stock file has no age field; UK age tables cannot be substituted or multiplied by GB fuel shares. |
| Vehicle-age numerator | Blocked | 0 of 183,948 vehicle involvements have known age (all vehicle types). Fuel-by-age rates require matching joint exposure. |
| Young vehicles and attrition | Blocked | No approved imputation for pre-MOT mileage, non-return, entry/exit, SORN or selection into observed tests. |
| DfT calibration | Unavailable | Raw expanded mileage, residual and calibration factor remain unavailable until population and interval checks pass. Overseas/foreign-vehicle coverage also needs assessment. |
| Uncertainty and headline stability | Withheld | Fuel headlines require collision-cluster and exposure uncertainty plus calendar, outlier, young-vehicle, attrition and mapping sensitivities. No exposure-imputation proportion can yet be estimated. |
| Raw expanded MOT miles | DfT benchmark miles | Pre-calibration residual | Calibration factor | Imputed exposure share |
|---|---|---|---|---|
| Unavailable | 262,411,300,000 | Unavailable | Unavailable | Unavailable |
| Assumption | Alternative | Status | Missing evidence |
|---|---|---|---|
| Vehicles before first MOT | Compare externally supported young-vehicle use with older observed vehicles; vary the imputed young-vehicle miles. | Not estimable | No compatible young-vehicle mileage or joint GB fuel/age fleet expansion is present. |
| Attrition and SORN | Include entry/exit and non-return scenarios; use licensed vehicle-years rather than surviving testers. | Not estimable | Non-return does not distinguish scrappage, SORN, export, missed tests or gaps. |
| Calendar allocation | Allocate each interval by covered days; compare endpoint-year allocation and 270–450-day test gaps. | Requires raw rebuild | Published use bands lack exact interval endpoints and mileage sums. |
| Fuel mapping | Retain unknowns and changing-code exclusions; compare strict EL/PE/DI groups with combined HY only. | Mapping limitation | HY does not identify plug-in hybrids. Car body mapping is not validated. |
| Odometer and outliers | Normalise declared units, retain chronology across missing readings; compare 50,000 and 100,000 annual-mile cutoffs. | Requires raw rebuild | The open 50,000+ band cannot quantify outlier mileage or its effect on expansion. |
Headline fuel comparisons stay withheld until plausible assumptions are tested. Exposure uncertainty must be combined with collision-cluster uncertainty; driver age or road use can be adjusted only with mileage in the same strata.
All-vehicle STATS19 age completeness in 2025: 0 / 183,948. This is a coverage check across all vehicle classes, not a fuel-by-age estimate.
MOT source period: 2022-01-01 to 2025-12-31. Downloads retain the MOT build identity and the STATS19 source hashes.
Loading source monitoring. Selected results are already available; live checks do not change them.
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| Source | Evidence period | Source published | Checked in release | Latest check | Monitoring state |
|---|---|---|---|---|---|
| RAS0403: collisions and casualties by local authority | 2016–2025 | Date unavailable | 23 Sept 2026 | 21 Oct 2026 | No source issue recorded |
| Local authority motor vehicle mileage | 2016–2025 | Date unavailable | 23 Sept 2026 | 21 Oct 2026 | No source issue recorded |
| Rainfall — England | 2016–2025 | Date unavailable | 23 Sept 2026 | 23 Sept 2026 | Source content changed; review pending |
| Rainfall — Wales | 2016–2025 | Date unavailable | 23 Sept 2026 | 23 Sept 2026 | Source content changed; review pending |
| Rainfall — Scotland | 2016–2025 | Date unavailable | 23 Sept 2026 | 23 Sept 2026 | Source content changed; review pending |
| Air frost — England | 2016–2025 | Date unavailable | 23 Sept 2026 | 23 Sept 2026 | Source content changed; review pending |
| Air frost — Wales | 2016–2025 | Date unavailable | 23 Sept 2026 | 23 Sept 2026 | Source content changed; review pending |
| Air frost — Scotland | 2016–2025 | Date unavailable | 23 Sept 2026 | 23 Sept 2026 | Source content changed; review pending |
| Wet days ≥1 mm — England | 2016–2025 | Date unavailable | 23 Sept 2026 | 23 Sept 2026 | Source content changed; review pending |
| Wet days ≥1 mm — Wales | 2016–2025 | Date unavailable | 23 Sept 2026 | 23 Sept 2026 | Source content changed; review pending |
| Wet days ≥1 mm — Scotland | 2016–2025 | Date unavailable | 23 Sept 2026 | 23 Sept 2026 | Source content changed; review pending |
| STATS19 collision records, latest five final years | 2021–2025 | Date unavailable | 25 Sept 2026 | Date unavailable | No live check linked |
| STATS19 vehicle records, latest five final years | 2021–2025 | Date unavailable | 25 Sept 2026 | Date unavailable | No live check linked |
| STATS19 casualty records, latest five final years | 2021–2025 | Date unavailable | 25 Sept 2026 | Date unavailable | No live check linked |
| STATS19 codebook and historical mappings | 2021–2025 | Date unavailable | 25 Sept 2026 | Date unavailable | No live check linked |
| Regional vehicle mileage | 2021–2025 | Date unavailable | 25 Sept 2026 | Date unavailable | No live check linked |
| Regional road-category mileage | 2021–2025 | Date unavailable | 25 Sept 2026 | Date unavailable | No live check linked |
| VEH0120 GB licensed vehicle stock | 2021–2025 | Date unavailable | 25 Sept 2026 | Date unavailable | No live check linked |
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