More in depth analysis of many of these topics are available through the range of statistical releases published by Welsh Government, the ONS or other statistical producers.
Mae dadansoddiad manylach o lawer o’r pynciau hyn ar gael drwy’r amrywiaeth o ddatganiadau ystadegol a gyhoeddwyd gan Lywodraeth Cymru, y Swyddfa Ystadegau Gwladol neu gynhyrchwyr ystadegol eraill.