Test Cricket - Miscellaneous Records and Statistics - Number of Balls per Over in each Country
While now standardised at 6, in some countries the number of balls bowled per over fluctuated between 4 and 8 during the first 100 years of test cricket. At times the number of balls varied in different countries even in the same time period.
The table below shows the number of balls per over for each country at different times for those countries which have deviated from the standard 6 ball over.
Australia
Period BPO
1876-77 to 1887-88 4
1891-92 to 1920-21 6
1924-24 8
1928-29 to 1932-33 6
1936-37 to 30/06/1979 8
Since 01/07/1979 6
 
England
Period BPO
1880 to 1888 4
1890 to 1899 5
1902 to 1938 6
1939 to 1945 8
Since 1946 6
 
New Zealand
Period BPO
1929-30 to 30/06/1968 6
01/07/1968 to 30/06/1979 8
Since 01/07/1979 6
 
Pakistan
Period BPO
1954-55 to 30/06/1973 6
01/07/1973 to 30/06/1978 8
Since 01/07/1978 6
 
South Africa
Period BPO
Prior to 01/07/1889 4
01/07/1889 to 30/06/1899 5
01/07/1899 to 30/06/1938 6
01/07/1938 to 30/06/1961 8
Since 01/07/1961 6