MS Prevalence More Than Doubled in England (2000-2020) | UCL & Imperial Study

March 24, 2026 Dr. Michael Lee – Health Editor Health

The recorded prevalence of multiple sclerosis (MS) in England has more than doubled between 2000 and 2020, increasing at a rate of approximately 6% annually, according to research conducted by University College London (UCL) and Imperial College London.

Researchers attribute the significant rise not to a genuine increase in the incidence of the neurological condition, but primarily to improvements in diagnostic techniques and an increased lifespan for those living with MS. Better access to MRI scanning and a greater awareness of the condition among healthcare professionals have led to more accurate and timely diagnoses.

The findings, reported by News-Medical and Neuroscience News, highlight a shift in understanding the scope of MS within the English population. While the number of people actually developing MS may not have doubled, the ability to identify and track cases has dramatically improved.

Recent analysis by UCL, utilizing artificial intelligence, has further refined the understanding of MS, identifying two distinct subtypes of the disease. This breakthrough, reported by UCL News and The Guardian, could lead to more targeted and effective treatments in the future. The AI analysis suggests that these subtypes respond differently to existing therapies, emphasizing the need for personalized medicine approaches.

The increased prevalence figures are prompting further investigation into the factors influencing MS diagnosis and management within the National Health Service (NHS). The doubling of prevalence over two decades underscores the importance of continued investment in diagnostic infrastructure and specialist neurological care.

Researchers are now focusing on understanding the underlying causes of these distinct MS subtypes, hoping to develop latest therapies tailored to each group. The UCL study is ongoing, with further data analysis planned to explore the genetic and environmental factors that may contribute to the development of these subtypes.