Caiff busnesau sy'n gwerthu nwyddau'n uniongyrchol i'r cwsmeriaid sy'n eu defnyddio eu diffinio fel manwerthwyr. Yr ystadegyn allweddol ar gyfer manwerthu yw'r Mynegai Gwerthiannau Manwerthu (RSI), a gyhoeddir yn fisol. Mae data yn y RSI yn ymdrin â gwariant ar nwyddau yn unig (mewn siopau ac ar-lein). Mae data am wario ar wasanaethau ar gael ym Mynegai Gwasanaethau (IoS).
Retail sales volumes only partly recovered in February 2021 with an increase of 2.1% when compared with the 8.2% fall seen in the previous month, and sales were still down by 3.7% on a year earlier before the impact of the coronavirus (COVID-19) pandemic.
Non-food stores provided the largest positive contribution to the monthly growth in February 2021 sales volumes, aided by strong increases of 16.2% and 16.1% in department stores and household goods stores respectively.
Clothing retailers reported the largest fall, of 50.4%, in sales volumes when compared with February 2020 before the coronavirus pandemic; automotive fuel stores also reported a large annual decline of 26.5% as travel restrictions continued to hit sales in that sector.