Mae’r galw am dystiolaeth a data wedi cynyddu’n gyflym dros yr ychydig flynyddoedd diwethaf, ac mae ystadegwyr Llywodraeth Cymru wedi ehangu a datblygu eu gwaith. Mae technolegau newydd, data agored a lledaenu electronig hefyd wedi newid y ffordd y cyhoeddir ystadegau.
Demand for evidence and data has increased rapidly over the past few years and Welsh Government statisticians have expanded and developed their work. New technologies, open data and electronic dissemination have also changed the way that statistics can be made available.