In 1953 there were only 12 National Spiritual Assemblies.
In Ridvan 1964, there were 69 National Spiritual Assemblies!!
In 1953 there were “slightly more than six hundred Local Spiritual Assemblies, the greater part of which were situated in Persia, North America and Europe ..”
In Ridvan 1964, there were “nearly four thousand six hundred Local Spiritual Assemblies scattered throughout the continents and islands of the world.”!! (Adapted from the 1964 Ridvan message of the Universal House of Justice)