David Beckham told a news conference in China: "I'm very proud to be an ambassador and help the game here from the very young ages up to the professional level.
"I'm very proud and thankful for this opportunity and I look forward to being part of this project."
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The poll comes ahead of a debate in the House of Commons on Friday on a new Bill which would introduce such a system in England.
Jobs with decent pay and flexibility are "few and far between" for single parents who are the main earner and carer, said the report.
Coal's share of the power mix had fallen to 7%, while wind climbed to new highs to provide 15% of the country's electricity.