How many people were killed or seriously injured in Swansea?

In 2024, Swansea recorded 29 people killed or seriously injured (KSI) on its roads, out of 172 reported casualties of all severities. KSI uses the DfT severity-adjusted estimate. This ranks Swansea #193 of 208 Great Britain local authorities by KSI count. Source: DfT STATS19 (RAS0403), Open Government Licence v3.0.

Does Swansea have a lot of road casualties compared with other areas?

Swansea ranks #166 of 208 Great Britain local authorities by total reported casualties and #193 by KSI. Importantly, these are absolute counts, not risk rates — areas with larger populations and more traffic record more casualties. To judge how dangerous roads are relative to traffic, a rate per vehicle or per mile is needed; these figures show the casualty burden, not per-capita risk. Source: DfT STATS19, OGL v3.0.

KSI stands for "Killed or Seriously Injured", a Department for Transport classification from the STATS19 police reporting system. "Killed" means death within 30 days of the collision; "seriously injured" covers injuries requiring hospital admission or otherwise assessed as serious. The KSI figure shown uses DfT's severity-adjusted estimate so it is comparable across years and areas.

Road casualties in Swansea

Wales · 2024 · DfT STATS19

How many road casualties were there in Swansea?

In 2024, Swansea (Wales) recorded 172 reported road casualties of all severities, of which 29 were killed or seriously injured (KSI). That places Swansea at rank #166 of 208 Great Britain local authorities by total casualties (#193 by KSI), accounting for 0.13% of the Great Britain casualty total. These are police-reported counts, not risk rates. Source: DfT STATS19, OGL v3.0.

Data period: 2024 · last updated 2026-06-25

All casualties: 172
Killed or seriously injured: 29
Rank by casualties: #166 of 208
Rank by KSI: #193 of 208
Region: Wales
Share of GB total: 0.13%

These are neutral official statistics from DfT STATS19 — police-reported casualty counts, not risk rates. Absolute totals are influenced by an area's population and traffic volume, so larger authorities record more casualties. They are not a direct measure of how dangerous the roads are per journey, nor an insurance premium predictor.

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Swansea · Wales · 2024

172

reported road casualties (all severities)

Killed or seriously injured

Rank by casualties

#166 of 208

Rank by KSI

#193 of 208

Share of Great Britain total casualties

0.13%

Source: DfT STATS19 reported road casualties (2024), table RAS0403. Counts are police-reported; KSI uses the DfT severity-adjusted estimate. Open Government Licence v3.0.

Swansea road casualties — frequently asked questions

How many road casualties were there in Swansea in 2024?: In 2024, Swansea (Wales) recorded 172 reported road casualties of all severities, of which 29 were killed or seriously injured (KSI). That places Swansea at rank #166 of 208 Great Britain local authorities by total casualties (#193 by KSI), accounting for 0.13% of the Great Britain casualty total. These are police-reported counts, not risk rates. Source: DfT STATS19, OGL v3.0.
How many people were killed or seriously injured in Swansea?: In 2024, Swansea recorded 29 people killed or seriously injured (KSI) on its roads, out of 172 reported casualties of all severities. KSI uses the DfT severity-adjusted estimate. This ranks Swansea #193 of 208 Great Britain local authorities by KSI count. Source: DfT STATS19 (RAS0403), Open Government Licence v3.0.
Does Swansea have a lot of road casualties compared with other areas?: Swansea ranks #166 of 208 Great Britain local authorities by total reported casualties and #193 by KSI. Importantly, these are absolute counts, not risk rates — areas with larger populations and more traffic record more casualties. To judge how dangerous roads are relative to traffic, a rate per vehicle or per mile is needed; these figures show the casualty burden, not per-capita risk. Source: DfT STATS19, OGL v3.0.
What does KSI mean?: KSI stands for "Killed or Seriously Injured", a Department for Transport classification from the STATS19 police reporting system. "Killed" means death within 30 days of the collision; "seriously injured" covers injuries requiring hospital admission or otherwise assessed as serious. The KSI figure shown uses DfT's severity-adjusted estimate so it is comparable across years and areas.

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Also see: all 208 local authorities and the national picture.

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Data period: 2024. Source: DfT — Reported road casualties Great Britain, annual report 2024 (STATS19); local authority table RAS0403. Contains public sector information licensed under the Open Government Licence v3.0.