Information about Illustrator’s limitations for different object types and sizes.
+----------------------+----------------------------------+
| Type | Limit |
+----------------------+----------------------------------+
| Canvas | 16 383 x 16 383 px |
| Artboard | 1 000 (100 in CC 2017 and older) |
| Artboard Bleed | 1 728 pt |
| Artboard Name | 100 symbols |
| Layers | > 10 000 (*) |
| Sublayers, subgroups | 29 levels |
| Swatches | 32 765 |
| Font | 1 296 pt |
| Paths | > 2 000 000 (*) |
| Path Points | 32 000 |
| Symbols | > 60 000 (*) |
| Stroke width | 1 000 pt |
| Brushes | 1 000 |
| Styles | > 17 000 (*) |
+----------------------+----------------------------------+(*) The measured values are not final, but higher is no longer enough processing power. Tested on a Macbook Pro (Mid 2015) with Intel i7 2.2 GHz processor, Intel Iris Pro 1536 MB GPU, 16 GB RAM.
