A lack of standardisation in how diversity data is collected and reported makes it difficult to report diversity information across all Public Sector Bodies as a whole.
Mae diffyg safoni o ran sut y cesglir ac yr adroddir ar ddata ynghylch amrywiaeth yn ei gwneud hi’n anodd adrodd ar wybodaeth am amrywiaeth ar draws Cyrff y Sector Cyhoeddus i gyd.