The following table provides an overview on currently available data records and the increase from current observation periods:
| DATASET | Number of glaciers | Number of observations | Increments since WGMS (2015) |
|---|---|---|---|
| Front variations (from observations) | 2,499 | 44,692 | +48/+1,137 |
| Front variations (from reconstructions) | 38 | 1,855 | +2/+37 |
| Mass balance (glacier wide) | 450 | 6,562 | +37/+1,019 |
| Mass balance (point information) | 125 | 37,463 | +58/+20,086 |
| Volume/thickness change (geodetic method) | 4,281 | 5,325 | +3,820/+4,175 |
| Special events | 2,457 | 3,045 | +2,143/+2,496 |
| Glacier maps | 85 | 140 | +10/+23 |
Database version: DOI:10.5904/wgms-fog-2017-10