Yn 2010, gofynnodd Awdurdod Ystadegau’r Deyrnas Unedig i’r Swyddfa Ystadegau Gwladol ymchwilio i bosibiliadau gwahanol i’r cyfrifiad traddodiadol yng Nghymru a Lloegr. Mae’r Swyddfa Ystadegau Gwladol wedi ymgymryd â’r gwaith hwn trwy’r rhaglen Tu Hwnt i 2011. Ar ôl ystyried ystod o bosibiliadau gwahanol, ymgynghorodd y rhaglen Tu Hwnt i 2011 ar ddau ddull:
In 2010 the UK Statistics Authority asked the Office for National Statistics to investigate the possible alternatives to a traditional census for England and Wales. Work on this has been taken forward by ONS through the Beyond 2011 programme. After considering a range of possible alternatives, the Beyond 2011 programme consulted on two approaches: