“…Recent years have seen the emergence of a burgeoning literature on informal entrepreneurship (Aidis et al, 2006;Bureau and Fendt, 2011;Coletto and Bisschop, 2017;Kus, 2014;Mróz, 2012;Ram et al, 2017;Webb et al, 2009Webb et al, , 2013Williams, 2018). This literature has sought to understand not only the prevalence of informal entrepreneurship (Autio and Fu, 2015;Williams andKedir, 2016, 2017) and the determinants of its variable prevalence (Dau and Cuervo-Cazurra, 2014;Siqueira et al, 2016), but also who participates (Thai and Turkina, 2014;Williams and Martinez-Perez, 2014) and their motives, including whether they are necessity-and/or opportunity-driven (Adom and Williams, 2012;Maloney, 2004;Perry and Maloney, 2007). In this section the literature on the prevalence of informal entrepreneurship is reviewed first followed by the previous literature that has sought to explain the varying prevalence of informal sector entrepreneurship across different countries.…”