For the period up to March 2018, households with an income less than 60% of the UK median, analysed by attributes such as age, economic status and family type.
Ar gyfer y cyfnod hyd at Fawrth 2018, dadansoddiad o aelwydydd gydag incwm llai na 60% o ganolrif y DU, yn ôl nodweddion megis oedran, statws economaidd a math o deulu.