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Cognomen Borthakur (Borthakur
) , globally, is quite a rare surname. The cognomen Borthakur is characteristic of Hong Kong, where it is a rare surname, India, and Canada, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in India, the United States, and Hong Kong.
| VARIANT | COUNTRY |
|---|---|
| Borthakur | Canada, Italy, India, Hong Kong, United States |