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Share capital - Authorised, Issued, and Held in Reserve (Details) - shares | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018
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Disclosure of classes of share capital |  |  |  |
Shares authorised | 1,314,407,571 | 1,314,407,571 | 1,314,407,571 |
Shares issued | 634,244,336 | 632,365,757 | 631,028,318 | 645,560,928
Unissued shares | 680,163,235 | 682,041,814 | 683,379,253 |
Sasol ordinary shares of no par value |  |  |  |
Disclosure of classes of share capital |  |  |  |
Shares authorised | 1,127,690,590 | 1,127,690,590 | 1,127,690,590 |
Shares issued | 627,912,989 | 626,034,410 | 624,696,971 |
Unissued shares | 499,777,601 | 501,656,180 | 502,993,619 |
Sasol preferred ordinary shares of no par value |  |  |  |
Disclosure of classes of share capital |  |  |  |
Shares authorised | 28,385,646 | 28,385,646 | 28,385,646 |
Unissued shares | 28,385,646 | 28,385,646 | 28,385,646 |
Sasol BEE ordinary shares of no par value |  |  |  |
Disclosure of classes of share capital |  |  |  |
Shares authorised | 158,331,335 | 158,331,335 | 158,331,335 |
Shares issued | 6,331,347 | 6,331,347 | 6,331,347 |
Unissued shares | 151,999,988 | 151,999,988 | 151,999,988 |

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