This page shows the calculation of the UEFA country ranking of 1966, which is determined by the sum of the UEFA country coefficients over the last 5 years. The column 'teams' lists the number of participating clubs in the last year for that association. In the current season also the number of clubs still in competition is listed (and indicated by a blue color). For all details see Calculation of coefficients.
| # | country | 61/62 | 62/63 | 63/64 | 64/65 | 65/66 | ranking | teams | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Spain | 15.600 | 6.833 | 11.400 | 8.000 | 11.500 | 53.333 | 6 | |
| 2 | England | 5.000 | 7.666 | 3.600 | 14.250 | 12.166 | 42.682 | 6 | |
| 3 | Hungary | 8.000 | 6.333 | 8.000 | 10.000 | 7.666 | 39.999 | 3 | |
| 4 | Italy | 7.000 | 10.500 | 9.200 | 7.428 | 4.000 | 38.128 | 6 | |
| 5 | Germany | 4.200 | 4.200 | 8.000 | 5.833 | 8.000 | 30.233 | 6 | |
| 6 | Scotland | 6.250 | 6.000 | 5.500 | 4.800 | 7.400 | 29.950 | 5 | |
| 7 | Czechoslovakia | 5.333 | 5.000 | 9.000 | 3.666 | 6.666 | 29.665 | 3 | |
| 8 | Portugal | 5.250 | 4.400 | 6.000 | 5.000 | 4.200 | 24.850 | 5 | |
| 9 | Belgium | 6.000 | 5.500 | 5.000 | 2.800 | 4.000 | 23.300 | 5 | |
| 10 | Yugoslavia | 5.200 | 6.800 | 3.250 | 3.600 | 3.750 | 22.600 | 4 | |
| 11 | Bulgaria | 1.000 | 6.500 | 3.000 | 5.000 | 3.666 | 19.166 | 3 | |
| 12 | Netherlands | 3.500 | 5.333 | 3.666 | 5.000 | 1.000 | 18.499 | 3 | |
| 13 | Poland | 2.000 | 3.500 | 3.000 | 5.000 | 4.000 | 17.500 | 1 | |
| 14 | Romania | 1.000 | 4.000 | 2.000 | 4.666 | 5.000 | 16.666 | 3 | |
| 15 | Wales | 1.000 | 2.000 | 3.000 | 8.000 | 0.000 | 14.000 | 1 | |
| 16 | France | 0.500 | 3.333 | 5.333 | 3.400 | 1.000 | 13.566 | 5 | |
| 17 | East Germany | 6.000 | 1.666 | 1.000 | 0.666 | 4.000 | 13.332 | 3 | |
| 18 | Austria | 3.500 | 2.666 | 3.000 | 2.500 | 1.333 | 12.999 | 3 | |
| 19 | Turkey | 0.000 | 3.000 | 5.500 | 1.333 | 1.666 | 11.499 | 3 | |
| 20 | Switzerland | 2.250 | 1.666 | 2.500 | 3.000 | 1.750 | 11.166 | 4 | |
| 21 | Sweden | 0.000 | 4.000 | 3.000 | 1.333 | 2.333 | 10.666 | 3 | |
| 22 | Soviet Union | 0.000 | 0.000 | 0.000 | 0.000 | 10.000 | 10.000 | 1 | |
| 23 | Greece | 1.000 | 0.000 | 1.666 | 2.333 | 2.750 | 7.749 | 4 | |
| 24 | Denmark | 1.666 | 3.250 | 0.666 | 0.250 | 1.333 | 7.165 | 3 | |
| 25 | Albania | 0.000 | 1.000 | 2.000 | 1.000 | 1.000 | 5.000 | 1 | |
| 26 | Ireland | 0.000 | 1.333 | 1.000 | 1.000 | 1.000 | 4.333 | 3 | |
| 27 | Northern Ireland | 0.000 | 1.000 | 1.000 | 0.500 | 1.000 | 3.500 | 3 | |
| 28 | Norway | 0.000 | 0.000 | 0.000 | 1.333 | 2.000 | 3.333 | 3 | |
| 29 | Luxembourg | 0.500 | 0.333 | 1.666 | 0.666 | 0.000 | 3.165 | 3 | |
| 30 | Finland | 0.000 | 0.000 | 1.000 | 2.000 | 0.000 | 3.000 | 2 | |
| 31 | Cyprus | 0.000 | 0.000 | 2.000 | 0.000 | 0.500 | 2.500 | 2 | |
| 32 | Malta | 0.000 | 0.000 | 0.500 | 0.000 | 1.000 | 1.500 | 2 | |
| 33 | Iceland | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2 |