As with other parts of the UK, productivity growth in Wales has been weak since around the time of the financial crisis (Labour productivity time series, Office for National Statistics).
Yn yr un modd â rhannau eraill o'r DU, mae twf mewn cynhyrchiant yng Nghymru wedi bod yn wan ers tua adeg yr argyfwng ariannol (Labour productivity time series, Y Swyddfa Ystadegau Gwladol).