According to the Ministry of the Interior, the housing price affordability index is with reference to two indicators: loan burden ratio and housing price income ratio, which are used to measure the degree of housing price affordability. That is, the lower the value, the higher the affordability. It is computed based on the relationship between the median of the housing prices for the quarter and the median of income. The median of the housing prices this quarter rose compared to that of the previous quarter, resulting in the upward trend of the loan burden ratios and housing prices.
The Ministry of the Interior further explained that the larger the proportion of the loan burden ratio in the housing price burden affordability index, the lower the housing price affordability. Housing price affordability levels are divided into four degrees in proportion to “reasonable affordable,” “slightly low,” “relatively low” and “excessively low.” Browse and search on the website: (https://pip.moi.gov.tw/V3/E/SCRE0105.aspx)