Table 2.

Grouping of SNRT Household Economic Classes. This table reports the income classes of households based on expenditure average per month in Indonesian rupiah (IDR). KE1 refers to household with average expenditure below IDR 2.2 million; and hence households in KE1 are in the low-income class. KE2 and KE3 denote, respectively, middle and high-income classes. These groups are arranged by Statistics Department of Bank Indonesia. The changed in expenditure value are based on 2016–2017 SNRT Implementation Guidebook, Bank Indonesia.

Economic Income Class	Definition of Economic Level Based on Household Expenditures	Expenditure Average household per month (IDR. Million)
		Year 2016	Year 2017
Low (KE1)	The lowest 40% expenditure	<2.1	<2.2
Middle (KE2)	The second lowest 40% expenditure	2.1–4.7	2.2–5
High (KE3)	The highest 20% expenditure	>4.7	>5