7.8 billion - worldometer
500,000,000 would mean 13 out of every 14 people alive today NEED TO DIE OR BE KILLED.............
It should start with all of Marxist/progressive/liberal persuasion......and once they all are gone, the rest of us can live in peace.........?????
I wonder if they would volunteer - after all, it would prove that they really believe what they preach.............