Map of the World's Nuclear Power Plants 7 years ago
Yep, the map definitely does not include experimental reactors, of which there are as just many. For example, UWI CNS SLOWPOKE in Jamaica.
There are 200+ decommissioned experimental reactors, 240 operational, 200 shut down, and a few others in change. The more interesting thing is the variety, 70+ types, 20+ types of moderators, 80+ types of control rods, 20-ish types of coolants, 50+ types of reflector materials.
Edit: here's a full list of types and their counts.
+----------+---------------------------+
| count(*) | technical_21_reactor_type |
+----------+---------------------------+
| 4 | NULL |
| 3 | AIR COOLED |
| 1 | AQUEOUS BREEDER |
| 28 | ARGONAUT |
| 1 | BWR |
| 1 | BWR POWER |
| 2 | BWR-PROTOTYPE |
| 97 | CRIT ASSEMBLY |
| 9 | CRIT FAST |
| 1 | CRIT GRAPHITE |
| 3 | EXPERIMENTAL |
| 3 | FAST |
| 8 | FAST BREEDER |
| 9 | FAST BURST |
| 1 | FAST SOURCE |
| 2 | FAST, HG COOLED |
| 2 | FAST, NA COOLED |
| 1 | FAST, POWER |
| 1 | FAST, PULSED |
| 1 | GAS |
| 12 | GRAPHITE |
| 2 | GRAPHITE AGR |
| 2 | GRAPHITE CO2 |
| 4 | GRAPHITE PILE |
| 1 | GRAPHITE, AIR |
| 1 | GRAPHITE, PULSE |
| 1 | HE COOLED |
| 2 | HEATING PROT |
| 35 | HEAVY WATER |
| 1 | HEAVY WATER PWR |
| 2 | HIGH TEMP GAS |
| 3 | HOMOG |
| 28 | HOMOG (L) |
| 41 | HOMOG (S) |
| 2 | HOMOG PUL |
| 1 | LOOP TYPE |
| 9 | MNSR |
| 1 | MOBILE EDU. |
| 1 | N2 COOLED |
| 1 | ORGANIC MODER |
| 134 | POOL |
| 1 | POOL-2 CORES |
| 1 | POOL-VAR |
| 10 | POOL, IRT |
| 3 | POOL, MTR |
| 2 | POOL, PULSTAR |
| 1 | POOL, UZRH |
| 1 | POOL/CHANNELS |
| 1 | PRESS. VESSEL |
| 1 | PRESSURIZED |
| 9 | PROMPT BURST |
| 4 | PULSING |
| 3 | PWR |
| 1 | PWR POWER |
| 1 | PWR PROPULSION |
| 3 | SLOWPOKE |
| 7 | SLOWPOKE-2 |
| 1 | SPACE TEST |
| 12 | SUBCRIT |
| 56 | TANK |
| 10 | TANK IN POOL |
| 11 | TANK WWR |
| 2 | TRIGA |
| 2 | TRIGA ACPR |
| 8 | TRIGA CONV |
| 2 | TRIGA DUAL CORE |
| 1 | TRIGA MARK CONV |
| 3 | TRIGA MARK F |
| 20 | TRIGA MARK I |
| 24 | TRIGA MARK II |
| 6 | TRIGA MARK III |
| 1 | TRIGA MODIFIED |
| 1 | U-233 FUELLED |
| 1 | ZERO POWER D2O |
| 1 | ZERO POWER HTD |
| 1 | ZRH, AIR COOLED |
| 1 | ZRH, BE REFLECT |
| 1 | ZRH, H2O COOLED |
+----------+---------------------------+