The Social Protection Floor Index (SPFI) value indicates the minimum share of its GDP that a country would need to invest or reallocate to national social protection floor policies to close
existing income
and
health protection gaps . The SPFI is presented for four different minimum income levels: (1)
$2.15 per day in 2017 Purchasing Power Parity (PPP) ; (2)
$3.65 per day in 2017 PPP ; (3)
50 per cent of median income, but not less than $2.15 per day in 2017 PPP ; (4)
50 per cent of median income plus $1.15 in 2017 PPP, but not less than $2.15 per day in 2017 PPP (Societal Poverty Line) .