The online poll asked 1, 900 adults in England and Wales a question which is on this month's census form.

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For the first time, citizens will be able to check more than one box on the census form to indicate race.

CNN: U.S. Census OKs Web filing test

To file over the Internet, users will need 128-bit encryption software as well as a legitimate identification number located on the census form itself to authenticate the user.

CNN: U.S. Census OKs Web filing test

Rhondda Labour MP Allan Rogers agreed that a mistake had been made but said there were plenty of other opportunities on the census form to express one's Welshness.

BBC: Welsh 'hurt' by census omission

The census form was piloted exclusively in Ceredigion and Gwynedd, which are represented by Plaid Cymru MPs, and neither they nor the Plaid members on local authorities raised any objection at the time, Mr Hanson said.

BBC: Welsh 'hurt' by census omission

"I think in terms of getting people to respond, especially with the new race question on the census form, it's excellent, " said Ramona Douglass, president of the Association of MultiEthnic Americans, which represents interracial families and multi-racial people.

CNN: U.S. Census OKs Web filing test

The government will also outsource the recruiting, training and payments to census staff as well as creating a central address register "to facilitate improved form delivery and field management".

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