Luke 2:1 And it came to pass in those days that a decree went out from Caesar Augustus that all the world should be registered.
If there is one thing we can be sure of is that man will always want his pound of flesh! Just as in the days of old, we too have to pay into governments so that they can work.
That does not mean that the government is doing the right thing; we could argue that many governments are corrupt and following evil paths nowadays; but we are still subject to them.
Caesar order the census to make sure that everyone was registered to account for taxes due. This had nothing to do with worshipping God, but God was using it for His glory!