Population KRI IC IDM Other
Global N = 6,826–8,072 M (2010–2029), R0 = 4–13 by WBIL [18, 20]N = 2,526–9,640 M (1950–2100), R0 = 4–13 by WBIL for WPV1, WPV1*0.9 for WPV2, WPV1*0.75 for WPV3 [4, 50–62, 65, 77, 81]      
Country group*        
104 GPEI countries N = 3,600 M in 1988, R0 = 7.5 (LI), 9.5 (LMI), 11.5 (UMI) [25]      
Low-income countries N = 2,933–3,992 M (2010–2029), R0 = 10 or 13 [19, 22]      
16 African countries       R0 = 1.2–3 for cVDPV2 [133]
European countries       [164]
Importation countries       N = 613 M (2013), R0 = V [157]
GPEI polio-endemic countries (as of 2006)
India (Uttar Pradesh and Bihar) N = 247 M (2006), R0 = 16 [19]N = 54–224 M (1950–2100), R0 = 13 [33]N = 55–224 M (1950–2100), R0 = 13 [35, 36, 46]   [134]  
Nigeria N = 9.7–186 M (northwest zone, 1950–2100), R0 = 8 [33]N = 9.7–234 M (northwest zone, 1950–2100), R0 = 7.5 [35, 40, 46, 49, 64] N = 0.01 M, R0 = 5 [100] [133]N = 0.3 M [129]N = 1.8 M (Kano, 2016), R0 = V [132]  
Pakistan and/or Afghanistan N = 45–422 M (1950–2100), R0 = 11 [71, 73–76]      
Other countries modeled by at least one GPEI-supported modeling group
Israel N = 1.3–15 M (1950–2100), R0 = 5–6 [43, 46, 47]     N = 0.050–0.067 M (2012–2014), R0 = 1–10 [162]N = 100%, R0 = 1.62 [166]
Tajikistan N = 1.5–11 M (1950–2100), R0 = 7–8 [33]N = 1.5–21 M (1950–2100), R0 = 8 [35, 46] N = 5.6 M, R0 = 2.16–2.46 [98]N = 5.6 M, R0 = 2.58 [99]    
United States of America N = 145–570 M (1950–2100), R0 = 6 [9]N = 318–346 M (2010–2020), R0 = 6 [26]N = 158–478 M (1950–2100), R0 = 5 [33]N = 0.276 M (2013 Amish), R0 = 5 [41]N = 158–462 M (1950–2100), R0 = 5 [47]   Houston, Louisiana [134] N = 0.05–0.09 (deployed military personnel 2015–2025), R0 = V [163]R0 = V [158]
Other countries modeled
Albania N = 3.2 M (1996), R0 = 11 [10]N = 1.2–1.8 M (1950–2100), R0 = 11 [33]      
Bangladesh (Matlab)     N = 0.13 M (2012) [135]  
Cuba N = 5.9–7.0 M (1950–2100), R0 = 8 [33]      
Dominican Republic N = 3.6 M (2000), R0 = 11 [10]      
Haiti N = 3.2–14.6 M (1950–2100), R0 = 9.5 [33]      
Indonesia (Madura Island) N = 74–254 M (1950–2100), R0 = 9 [33]      
Lebanon       N = 7 M (2015) [159]
Mexico (Campo Grande, Capoluca, Tuxpanguillo)       R0 = V [170]
The Netherlands N = 15.2 M (1996), R0 = 5 [10]N = 10–17 M (1950–2100), R0 = 4 [33]N = 10–16 M (1950–2100), R0 = 5 [47]      
Republic of the Congo   N = 2.8 M, R0 = 1.5–1.85 [98]    
Theoretical or hypothetical populations N = 100 M, R0 = 4–13 by WBIL [10]N = 10 or 100 M, R0 = 6–13 [14]N = 0.1 M, R0 = 13 [24]N = 0.1–1 M, R0 = 8–16 [27]N = 1 M, R0 = 10 [34, 69]N = 1 M, R0 = 3.6–11.7 [38, 39]N = 0.0035–0.01 M, R0 = 15,20,25 [70] N = 1 M, R0 = 3,10 [97]   R0 = V [147, 148, 151, 152, 156]N = 100%, R0 = 2.8 [149]N = 100%, R0 = 4–20 [154]N = 100%, R0 = 14 [160, 171]N = 100% (DEB), 0.001–0.1 M (IB), R0 = V [155]N = 100 M, R0 = 6 [150]N = 100 M, R0 = V [153]N = 0.2 M, R0 = 8–16 [161]N = 1 M, R0 = V [165]N = 0.0035–0.01 M, R0 = 15,20,25 [167–169]