Data Science
Wales > South Wales
The table below provides summary statistics and salary benchmarking for jobs advertised in South Wales requiring Data Science skills. It covers permanent job vacancies from the 6 months leading up to 11 January 2026, with comparisons to the same periods in the previous two years.
| 6 months to 11 Jan 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | 55 | 61 | 59 |
| Rank change year-on-year | +6 | -2 | +28 |
| Permanent jobs citing Data Science | 9 | 5 | 10 |
| As % of all permanent jobs in South Wales | 1.16% | 0.78% | 1.64% |
| As % of the Processes & Methodologies category | 1.55% | 0.94% | 1.82% |
| Number of salaries quoted | 4 | 2 | 9 |
| 10th Percentile | £33,250 | - | £28,700 |
| 25th Percentile | £34,375 | £77,500 | £43,538 |
| Median annual salary (50th Percentile) | £40,000 | £80,000 | £47,500 |
| Median % change year-on-year | -50.00% | +68.42% | -20.83% |
| 75th Percentile | £67,500 | £82,500 | £65,000 |
| 90th Percentile | £108,000 | - | £69,250 |
| Wales median annual salary | £40,000 | £80,000 | £46,816 |
| % change year-on-year | -50.00% | +70.88% | -21.97% |
All Process & Methodology Skills
South Wales
Data Science falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring process or methodology skills in South Wales.
| Permanent vacancies with a requirement for process or methodology skills | 582 | 530 | 550 |
| As % of all permanent jobs advertised in South Wales | 75.19% | 83.07% | 90.31% |
| Number of salaries quoted | 404 | 272 | 423 |
| 10th Percentile | £24,991 | £31,250 | £32,500 |
| 25th Percentile | £30,000 | £36,250 | £39,280 |
| Median annual salary (50th Percentile) | £50,000 | £49,375 | £50,000 |
| Median % change year-on-year | +1.27% | -1.25% | +1.12% |
| 75th Percentile | £60,000 | £65,000 | £64,125 |
| 90th Percentile | £78,068 | £79,390 | £72,433 |
| Wales median annual salary | £48,122 | £49,104 | £47,500 |
| % change year-on-year | -2.00% | +3.38% | - |
Data Science
Job Vacancy Trend in South Wales
Historical trend showing the proportion of permanent IT job postings citing Data Science relative to all permanent IT jobs advertised in South Wales.
Data Science
Salary Trend in South Wales
Salary distribution trend for jobs in South Wales citing Data Science.
Data Science
Salary Histogram in South Wales
Salary distribution for jobs citing Data Science in South Wales over the 6 months to 11 January 2026.
Data Science
Job Locations in South Wales
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Data Science within the South Wales region over the 6 months to 11 January 2026. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.
| Location | Rank Change on Same Period Last Year |
Matching Permanent IT Job Ads |
Median Salary Past 6 Months |
Median Salary % Change on Same Period Last Year |
Live Jobs |
|---|---|---|---|---|---|
| Newport | - | 6 | £40,000 | - | 20 |
| Cardiff | +12 | 3 | £77,500 | -3.13% | 23 |
| Data Science Wales |
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Data Science
Co-Occurring Skills & Capabilities in South Wales by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:
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