Ranking Top 30 Countries Top 10 Ranking by Continent The number in parentheses in the continent ranking corresponds to the position in the world's ranking for the overall index for 2011. Top 10 Middle East 4.78 (30) 4.47 (40) 4.45 (42) 4.41 (46) 4.18 (61) 4.17 (62) 4.14 (64) 4.03 (70) Top 10 Americas 5.30 (6) 5.29 (9) 4.84 (28) 4.43 (43) 4.43 (44) 4.42 (45) 4.36 (52) 4.30 (56) 4.27 (57) 4.24 (58) Top 10 Asia Pacific 5.23 (10) 5.19 (12) 5.15 (13) 5.00 (19) 4.94 (22) 4.71 (32) 4.59 (35) 4.56 (37) 4.47 (39) 4.47 (41) Top 10 Sub-Saharan Africa 4.35 (53) 4.11 (66) 3.84 (84) 3.77 (89) 3.74 (91) 3.70 (92) 3.54 (102) 3.51 (103) 3.49 (104) 3.44 (108) Top 10 Europe 5.68 (1) 5.50 (2) 5.41 (3) 5.41 (4) 5.34 (5) 5.30 (7) 5.29 (8) 5.19 (11) 5.13 (14) 5.08 (15) 2009 Ranking Top 20 Countries Top 10 Ranking by Continent The number in parentheses in the continent ranking corresponds to the position in the world's ranking for the overall index for 2009. Top 10 Middle East and Africa 4.57 (33) 4.50 (36) 4.49 (37) 4.43 (40) 4.42 (41) 4.37 (44) 4.25 (54) 4.10 (61) 4.09 (64) 4.01 (68) Top 10 Americas 5.32 (5) 5.28 (8) 4.77 (30) 4.42 (42) 4.35 (45) 4.29 (51) 4.27 (53) 4.23 (55) 4.18 (57) 4.13 (60) Top 10 Asia Pacific 5.24 (9) 5.24 (10) 5.18 (12) 4.94 (20) 4.91 (25) 4.72 (31) 4.71 (32) 4.45 (39) 4.40 (43) 4.33 (47) Top 10 Europe 5.68 (1) 5.46 (2) 5.41 (3) 5.34 (4) 5.29 (6) 5.28 (7) 5.22 (11) 5.09 (13) 5.08 (14) 5.07 (15) 2008 Ranking Top 20 Countries Top 10 Ranking by Continent The number in parentheses in the continent ranking corresponds to the position in the world's ranking for the overall index in 2008. Top 10 Africa 4.41 (39) 4.38 (41) 4.11 (60) 3.96 (66) 3.91 (67) 3.67 (84) 3.65 (87) 3.65 (88) 3.59 (93) 3.53 (101) Top 10 Americas 5.28 (7) 5.26 (9) 4.77 (29) 4.35 (44) 4.34 (46) 4.29 (49) 4.29 (50) 4.27 (51) 4.18 (55) 4.18 (57) Top 10 Asia 5.09 (14) 5.06 (16) 4.90 (23) 4.68 (31) 4.63 (32) 4.51 (35) 4.44 (37) 4.39 (40) 4.37 (42) 4.29 (48) Top 10 Europe 5.63 (1) 5.43 (2) 5.41 (3) 5.30 (5) 5.28 (6) 5.27 (8) 5.23 (10) 5.16 (11) 5.11 (12) 5.10 (13) Top 2 Oceania