In total, 2.4 million usual residents in Wales (92.4% of usual residents aged 16 years and over) answered the question on sexual orientation, whilst 193,900 (7.6%) did not answer the question.
Gwnaeth cyfanswm o 2.4 miliwn o breswylwyr arferol yng Nghymru (92.4% o'r preswylwyr arferol 16 oed a throsodd) ateb y cwestiwn ar gyfeiriadedd rhywiol, ac ni wnaeth 193,900 (7.6%) ateb y cwestiwn.