Within the UK and Ireland, the surname Tanaka most frequently occurs in Ireland where it is carried by just 1 in every 172,500 people. The majority of those with the family name of Tanaka are to be found living in/around Leinster and Connaught. The name can also be found in England with just 1 in every 264,057 people using it, and Wales with 1 in 348,778.
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