Table 7. Comparison of target and actual sample sizes and number of clusters.
| Country | Survey | Target sample | Actual sample1 | % difference | Original clusters selected | Extra clusters needed |
| Am. Samoa | TAS-1 | 1,042 | 949 | −8.9% | 262 | - |
| TAS-2 | - | - | - | - | - | |
| Burkina Faso | TAS-1 | 1,556 | 1,571 | 1.0% | 30 | 1 |
| TAS-2 | 1,556 | 1,591 | 2.2% | 30 | 8 | |
| Dom. Rep. | TAS-1 | 1,532 | 1,609 | 5.0% | 30 | 8 |
| TAS-2 | 1,532 | 1,558 | 1.7% | 40 | 0 | |
| Ghana | TAS-1 | 1,556 | 1,557 | 0.1% | 30 | 10 |
| TAS-2 | 1,556 | 1,514 | −2.7% | 30 | 2 | |
| Indonesia | TAS-1 | 1,548 | 1,353 | −12.6% | 30 | 13 |
| TAS-2 | 1,548 | 1,622 | 4.8% | 30 | 0 | |
| Malaysia | TAS-1 | 1,368 | 1,429 | 4.5% | 30 | 2 |
| TAS-2 | 1,368 | 1,684 | 23.1% | 33 | 0 | |
| Philippines | TAS-1 | 1,552 | 1,599 | 3.0% | 35 | 10 |
| TAS-2 | 1,552 | 1,656 | 6.7% | 35 | 0 | |
| Sri Lanka | TAS-1 | 684 | 679 | −0.7% | 352 | - |
| TAS-2 | 684 | 698 | 2.0% | 322 | 0 | |
| Togo | TAS-1 | 1,548 | 1,571 | 1.5% | 30 | 1 |
| TAS-2 | 1,540 | 1,550 | 0.6% | 39 | 0 | |
| Tanzania | TAS-1 | 1,540 | 1,561 | 1.4% | 51 | 18 |
| TAS-2 | 1,540 | 1,588 | 3.1% | 70 | 0 | |
| Vanuatu | TAS-1 | 933 | 933 | 0.0% | 63 | 0 |
| TAS-2 | 954 | 954 | 0.0% | 63 | 0 | |
| Total | TAS-1 | 14,859 | 14,811 | −0.3% | 390 | 63 |
| TAS-2 | 13,830 | 14,415 | 4.2% | 402 | 10 |
1
Excluding invalid tests and specimens unable to be tested.
2
Systematic sampling; all eligible primary sampling units surveyed.