Table 2.

Estimates from the research literature of willingness to pay (WTP) for FS collection in low-income countries.

Source	Location	Unit	Price per Unit
Balasubramanya et al., 2017 [10]	Bhaluka, Bangladesh	Entire Pit	US$6
Frenoux & Tsitsikalis, 2015 [9]	Phnom Penh, Cambodia	m3	US$7
Jenkins, Cumming, & Cairncross, 2015 [11]	Dar Es Salaam, Tanzania	300 liters	US$26
Harder, Sajise, & Galing, 2013 [12]	Dagupan, Phillipines	per month	US$0.90