More than 30 of those families were being given £1,500 a week to live 'swanky' lifestyles - more than three times the national average wage.
Of the 100 families, 60 have their rent paid by the state to the value of £5,000 a month, according to the Department for Work and Pensions.
In 2010 it emerged that a family of Somalian asylum seekers were getting £1.2m a year to live in Kensington, west London - a short walk from the Duke and Duchess of Cambridge's home in Kensington Palace.
Abdi Nur, 42, an unemployed bus conductor, his wife Sayruq, 40, and their seven children moved to the three-storey home in the fashionable area of the capital after complaining that their previous home had been in a 'poor' part of the city.
In another case last year, a Somalian family moved from a house in Coventry to a £2m property in West Hampstead, north London.
Saeed Khaliiff was given £2,000 a week for the home despite having no links to the area, which has been home to George Michael, Sienna Miller, Jude Law and Helena Bonham Carter.
Meanwhile, Afghan mother of seven Toorpakai Saindi was handed £12,000 in housing benefit a month to be able to live in a £1.2million mansion in Acton, west London as there weren't enough council houses big enough.