| Table 6.15 Membership of selected voluntary environmental organisations, 1992-1997 |
| Voluntary body | | | 1992 | | 1993 | | 1994 | | 1995 | | | 1996 | | 1997 |
| The National Trust for Scotland | 237,000 | 235,000 | 234,000 | 230,000 | | 228,000 | 228,000 |
| Royal Society for the Protection of Birds1 | 55,500 | 54,674 | 58,396 | 61,560 | | 61,799 | 63,676 |
| Royal Zoological Society of Scotland | 12,801 | 13,158 | 13,305 | 13,180 | | 13,109 | 13,093 |
| Scottish Wildlife Trust2 | 10,651 | 11,200 | 8,454 | 13,961 | | 15,053 | 14,112 |
| | | | | | | | | | | | Source: Voluntary body in table |
| 1 As at April each year. |
| 2 As of 1995, individual memberships are quoted (i.e. a Senior Citizen Family is counted as 2, not 1. |
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