${\displaystyle \mathrm {Batting~average} ={\frac {\mathrm {Runs~scored} }{\mathrm {Number~of~times~out} }}}$

In cricket, a players' batting average is the total number of runs they have scored divided by the number of times they have been out, usually given to two decimal places. Since the number of runs a player scores and how often they get out are primarily measures of their own playing ability, and largely independent of their teammates, batting average is a good metric for an individual player's skill as a batter (although the practice of drawing comparisons between players on this basis is not without criticism^[1]). The number is also simple to interpret intuitively. If all the batter's innings were completed (i.e. they were out every innings), this is the average number of runs they score per innings. If they did not complete all their innings (i.e. some innings they finished not out), this number is an estimate of the unknown average number of runs they score per innings.

Each player normally has several batting averages, with a different figure calculated for each type of match they play (first-class, one-day, Test matches, List A, T20, etc.), and a player's batting averages may be calculated for individual seasons or series, or at particular grounds, or against particular opponents, or across their whole career.

Batting average has been used to gauge cricket players' relative skills since the 18th century.

Values

Most players have career batting averages in the range of 20 to 40. This is also the desirable range for wicket-keepers, though some fall short and make up for it with keeping skill. Until a substantial increase in scores in the 21st century due to improved bats and smaller grounds among other factors, players who sustained an average above 50 through a career were considered exceptional, and before the development of the heavy roller in the 1870s (which allowed for a flatter, safer cricket pitch) an average of 25 was considered very good.^[2]

• All-rounders who are more prominent bowlers than batsmen typically average something between 20 and 30.
• 15 and under is typical for specialist bowlers.
• A small number of players have averaged less than 5 for a complete career, though a player with such an average is a liability unless an exceptional bowler such as Alf Valentine, B. S. Chandrasekhar or Glenn McGrath were.

Career records for batting average are usually subject to a minimum qualification of 20 innings played or completed, in order to exclude batsmen who have not played enough games for their skill to be reliably assessed. Under this qualification, the highest Test batting average belongs to Australia's Sir Donald Bradman, with 99.94. Given that a career batting average over 50 is exceptional, and that only 4 other players have averages over 60, this is an outstanding statistic. The fact that Bradman's average is so far above that of any other cricketer has led several statisticians to argue that, statistically at least, he was the greatest athlete in any sport.^[3]

Disregarding this 20 innings qualification, the highest career Test batting average is 144 by Kurtis Patterson, who scored 144 runs and was dismissed once in his two Test innings. He then fell out of the Australian squad due to a loss of form and injury.

Batting averages in One Day International (ODI) and T20 International (T20I) cricket tend to be lower than in Test cricket because of the need to score runs more quickly. Consequently, batters tend to play riskier strokes and less emphasis is placed on building an innings in order to amass a high individual score. It should also be remembered, especially in relation to the ODI and T20I histograms above, that there were no ODI or T20I matches when Bradman played.

Interpretation

If a batter has been dismissed in every single innings, then this statistic gives exactly the average number of runs they score per innings.

However, for a batter with one or more innings which finished not out, the true mean or average number of runs they score per innings is unknown as it is not known how many runs they would have scored if they could have completed all their not out innings. In this case, this statistic is an estimate of the average number of runs they score per innings. If their scores have a geometric distribution, then this statistic is the maximum likelihood estimate of their true unknown average.^[4]

Batting averages can be strongly affected by the number of not outs. For example, Phil Tufnell, who was noted for his poor batting,^[5] has an apparently respectable ODI average of 15 (from 20 games), despite a highest score of only 5 not out, as he scored an overall total of 15 runs from 10 innings, but was out only once.^[6]

A batter who has not been dismissed in any of the innings over which their average is being calculated does not have a batting average, as division by zero does not give a result.^[7]

Leading male batting averages

First-class

Highest career batting averages in first-class cricket as follows:

Rank	Batter	Matches	Innings	N.O.	Runs	Highest	Ave	First Class career dates
1	Don Bradman	234	338	43	28,067	452*	95.14	1927–49
2	Vijay Merchant	150	234	46	13,470	359*	71.64	1929–51
3	George Headley	103	164	22	9,921	344*	69.86	1927–54
4	Sarfaraz Khan	48	71	11	4,112	301*	68.53	2014–24
5	Ajay Sharma	129	166	16	10,120	259*	67.46	1984–2001
6	Bill Ponsford	162	235	23	13,819	437	65.18	1920–34
7	Bill Woodfull	174	245	39	13,388	284	64.99	1921–34
8	Kamindu Mendis	46	71	6	4,164	200*	64.01	2018–24
9	Shantanu Sugwekar	85	122	18	6,563	299*	63.10	1987–2002
10	KC Ibrahim	60	89	12	4,716	250	61.24	1938–50
Qualification for inclusion: 50 innings. Names in bold text are current players whose figures are likely to change. * denotes not out. Source: ESPNcricinfo. Last updated: 27 April 2024.

Test matches

A batting average of above 50 is considered by many as a benchmark to distinguish between a good and a great batsman.^[8] Highest male career batting averages in Test matches as follows:

Rank	Batter	Tests	Innings	Not out	Runs	High Score	Average	Test career dates
1	Don Bradman	52	80	10	6,996	334	99.94	1928–48
2	Harry Brook	12	20	1	1,181	186	62.15	2022-2023
3	Adam Voges	20	31	7	1,485	269*	61.87	2015–16
4	Graeme Pollock	23	41	4	2,256	274	60.97	1963–70
5	George Headley	22	40	4	2,190	270*	60.83	1930–54
6	Herbert Sutcliffe	54	84	9	4,555	194	60.73	1924–35
7	Eddie Paynter	20	31	5	1,540	243	59.23	1931–39
8	Ken Barrington	82	131	15	6,806	256	58.67	1955–68
9	Everton Weekes	48	81	5	4,455	207	58.61	1948–58
10	Wally Hammond	85	140	16	7,249	336*	58.45	1927–47
Qualification for inclusion: 20 innings. Names in bold text are current players whose figures are likely to change. * denotes not out. Source: ESPNcricinfo. Last updated: 8 January 2024.

One Day Internationals

Highest career batting averages in One Day International cricket as follows:

Zdroj:https://en.wikipedia.org?pojem=Batting_average_(cricket)
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Rank	Batter	ODIs	Innings	N.O.	Runs	Highest	Ave	ODI career dates
1	Ryan ten Doeschate	33	32	9	1,541	119	67.00	2006–11
2	Shubhman Gill	44	44	7	2,271	208	61.37	2019–23
3	Virat Kohli	292	280	44	13,848	183	58.67	2008–23
4	Babar Azam	117	114	13	5,729	158	56.72	2015–23
5	Dawid Malan	30	30	4	1,450	140	55.76	2019–23
6	Michael Bevan	232	196	67	6,912	108*	53.58	1994–2004
7	AB de Villiers	228	218	39	9,577	176	53.50	2005–18
8	Daryl Mitchell	39	35	5