New Delhi, Mar 9 More than 10 million older adults aged 60 or over in India may have dementia, comparable to the prevalence rates for countries such as the US and the UK, according to a first-of-its-kind study. The research, published in the journal Neuroepidemiology, used an artificial intelligence (AI) technique known as semi-supervised machine learning to analyse data from 31,477 older adults. The international team of researchers found that the prevalence rate of dementia in adults aged 60 or over in India could be 8.44 per cent -- equating to 10.08 million older adults in the country.