| Table 1.4 Proportional distribution of area and population by unitary authority, 1981-2011 |
| | | Area | | | | | Population |
| | | sq km | 1981 | 1986 | 1991 | | 1996 | | 2001 | 2006 | 2011 |
| Scotland | | 78,133 | 100 | 100 | | 100 | | 100 | | 100 | 100 | 100 |
| Aberdeen City | | 186 | 4 | 4 | | 4 | | 4 | | 4 | 4 | 4 |
| Aberdeenshire | | 6,318 | 4 | 4 | | 4 | | 4 | | 5 | 5 | 5 |
| Angus | | 2,181 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| Argyll & Bute | | 6,930 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| Clackmannanshire | | 157 | 1 | 1 | | 1 | | 1 | | 1 | 1 | 1 |
| Dumfries & Galloway | 6,439 | 3 | 3 | | 3 | | 3 | | 3 | 3 | 3 |
| Dundee City | | 65 | 3 | 3 | | 3 | | 3 | | 3 | 3 | 3 |
| East Ayrshire | | 1,252 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| East Dunbartonshire | | 172 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| East Lothian | | 678 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| East Renfrewshire | | 173 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| Edinburgh, City of | | 262 | 9 | 9 | | 9 | | 9 | | 9 | 9 | 9 |
| Eilean Siar1 | | 3,134 | 1 | 1 | | 1 | | 1 | | 1 | 1 | 1 |
| Falkirk | | 299 | 3 | 3 | | 3 | | 3 | | 3 | 3 | 3 |
| Fife | | 1,323 | 7 | 7 | | 7 | | 7 | | 7 | 7 | 7 |
| Glasgow City | | 175 | 14 | 13 | | 12 | | 12 | | 12 | 11 | 11 |
| Highland | | 25,784 | 4 | 4 | | 4 | | 4 | | 4 | 4 | 4 |
| Inverclyde | | 162 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 1 |
| Midlothian | | 356 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| Moray | | 2,238 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| North Ayrshire | | 884 | 3 | 3 | | 3 | | 3 | | 3 | 3 | 3 |
| North Lanarkshire | | 474 | 7 | 7 | | 6 | | 6 | | 6 | 6 | 6 |
| Orkney Islands | | 992 | 0 | 0 | | 0 | | 0 | | 0 | 0 | 0 |
| Perth & Kinross | | 5,311 | 2 | 2 | | 2 | | 3 | | 3 | 3 | 3 |
| Renfrewshire | | 261 | 4 | 4 | | 3 | | 3 | | 3 | 3 | 3 |
| Scottish Borders | | 4,734 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| Shetland Islands | | 1,438 | 1 | 0 | | 0 | | 0 | | 0 | 0 | 0 |
| South Ayrshire | | 1,202 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| South Lanarkshire | | 1,771 | 6 | 6 | | 6 | | 6 | | 6 | 6 | 6 |
| Stirling | | 2,196 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| West Dunbartonshire | 162 | 2 | 2 | | 2 | | 2 | | 2 | 2 | 2 |
| West Lothian | | 425 | 3 | 3 | | 3 | | 3 | | 3 | 3 | 3 |
| Source: General Register Office for Scotland |
| 1 | The former Western Isles Council changed its name on 2 September 1997. |
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