The term house poor or housing poor (derived from the term working poor) describes a person who spends a disproportionally large amount of their monthly income on housing expenses. Accordingly, the expenses for housing should not exceed 30% of a person’s income.
Source: https://www.investopedia.com/terms/h/housepoor.asp
In 2017, 10.2% of households in the EU spent over 40% of their disposable income on housing costs.
Source: http://www.housingeurope.eu/resource-1323/the-state-of-housing-in-the-eu-2019
The right to housing is a human right. With the adoption of the Universal Declaration of Human Rights in 1948, the right to adequate housing joined the body of international, universally applicable and universally accepted human rights law.
Source: https://www.un.org/ruleoflaw/files/FactSheet21en.pdf