Major illicit cigarette brands and their regional distribution in Vietnam (%)
| Brand | Market share | Distribution by region in 2017 | ||||||
| Entire market | Illicit market | North | Central | South | Total | |||
| TCS 2017 | VITA 2012 | TCS 2017 | VITA 2012 | |||||
| Hero | 6.52 | 6.4 | 47.55 | 32.8 | 4.36 | 3.00 | 92.64 | 100 |
| (5.35 to 7.93) | (40.23 to 54.98) | (0.71 to 22.52) | (0.89 to 9.63) | (78.87 to 97.7) | ||||
| Jet | 4.79 | 10.1 | 34.94 | 52.1 | 0.00 | 8.27 | 91.73 | 100 |
| (3.83 to 5.99) | (28.5 to 41.99) | - | (4.39 to 15.05) | (84.95 to 95.61) | ||||
| SE555 | 1.25 | 0.88 | 9.13 | 4.5 | 67.59 | 14.67 | 17.74 | 100 |
| (0.55 to 2.83) | (4.14 to 18.95) | (32.19 to 90.16) | (3.08 to 48.16) | (4.91 to 47.4) | ||||
| Esse | 0.34 | 0.99 | 2.47 | 5.1 | 40.77 | 6.55 | 52.68 | 100 |
| (0.13 to 0.88) | (0.95 to 6.27) | (5.45 to 89.16) | (0.6 to 44.72) | (10.11 to 91.68) | ||||
| Craven A | 0.28 | 0.00 | 2.04 | 0.00 | 0.00 | 0.00 | 100.00 | 100 |
| (0.09 to 0.86) | (0.66 to 6.14) | - | - | |||||
The TCS 2017 results are estimated by the authors while the VITA 2012 results are retrieved from the prior study conducted by Nguyen et al.10 For TCS 2017, 95% CIs are reported in parenthesis.
SE555, State Express 555; TCS 2017, Tobacco Consumption Survey in 2017; VITA 2012, Vietnam Illicit Trade Assessment in 2012.