Ka cika wannan jumlar: A shekara ta 1921, fiye da 'yan Britaniya miliyan uku ba su da aikin yi saboda matsalar tattalin arziki da ta taso bayan yaƙin. Yayin da tattalin arzikin ke farfadowa ta hanyar 1922-1923, Birtaniya ta sami kanta ta sake yin gwagwarmaya ta hanyar 1926,
Janar yajin aiki na wannan shekara ba yin shi wani ni'ima. Ci gaban da ya rage na shekaru goma ya zama ba daidai ba, tare da gajeren lokaci na stagnation ci gaba da katse ci gaban. Hadin gwiwar masana'antu ya inganta a takaice, amma sai ya zo da kasuwar jari ta Wall Street a watan Oktoba 1929, wanda ya haifar da Babban Mawuyacin duniya (Duba Babban Mawuyacin hali a Burtaniya). Rashin aikin yi ya tsaya a ƙasa da miliyan 1.8 a ƙarshen 1930, amma a ƙarshen 1931 ya tashi sosai zuwa sama da miliyan 2.6. A watan Janairun 1933, sama da 'yan Burtaniya miliyan 3 ba su da aikin yi, wanda ya kai sama da kashi 20 cikin 100 na ma'aikata - tare da rashin aikin yi sama da kashi 50 cikin 100 a wasu sassan kasar, musamman a Kudancin Wales da arewa maso gabashin Ingila. Sauran shekarun 1930 sun ga farfadowar tattalin arziki mai sauƙi ta hanyar gidaje masu zaman kansu. Yawan rashin aikin yi ya ragu zuwa 10% a 1938 - rabin matakin shekaru biyar da suka gabata.