I’d be curious to know the percentage of born in Jehovah’s witnesses and converts. By my observation born ins go through the motions to be part of the club. Converts are the real believers because they gave up everything(family, career old religion) and need to rationalize their sunk costs.
Field service has been a joke for the last 20 years. Driving to the furthest territory, knocking on the door of an empty house to turn around and have a double double at brother Tim Hortons. But you can count 2 hours.
They are in major decline because no one cares. It happened the same in the USSR. No one believed anymore, not even the leadership.