Pa asesiad y mae Llywodraeth Cymru wedi'i wneud o lefelau aelodaeth o undebau llafur yng Nghymru, ar hyn o bryd ac yn hanesyddol?
Wedi'i ateb gan Gweinidog yr Economi | Wedi'i ateb ar 06/12/2022
According to National Statistics, in 2021, the proportion of employees who were trade union members in Wales rose by 3.7 percentage points to 35.6%, standing at its highest level since 2014. In contrast, the proportion of employees in England, Scotland and Northern Ireland, who were trade union members, fell.