Nearly 3/4 of the United States of America says they are Christian. That is in a ratio of approximately 240 million who say they believe to 80 million who say they do not.

Yes, that is about a 3 to 1 ratio.

The Bible says to go into all the world, and preach the gospel.

(https://receivebelievesetfree.blogspot.com/)

So, if 240 million people claim to be Christian ...and they would all feel they should go out into the world to spread the gospel, then there would only be 80 million left here and the nation would likely collapse.

Yes, many people work to sponsor or donate towards missions. Most missions do rely to a certain extent on donations.  And some who give money for missions also feel they can be a witness to people right in this country ...while they work, and go about their daily lives.

So, how precisely do we witness to those around us.  It seems that the gap is firming up, and the 80 million people who don't believe in Jesus is not at all diminishing.  On the contrary, the 240 million seem more to be compromising ...or are uncertain about what they believe.

When someone says they are a Christian, I am not going to challenge their claim of being so.  But, I also don't expect the conversation to end there either.

When I hear people talk about sports, if you are asked if you are a New England Patriot's fan ...the conversation usually goes a bit further.  The discussion may lead into how the Patriots came from behind, and won the Superbowl against the Atlanta Falcons.  The excitement may build in asking, "Did you see Julian Edelman's catch!"  

So, no ...certainly I don't question the validity of someone being a Christian, I just personally expect some sort of conversation to follow.  I don't expect someone to say they are a New England Patriot fan, and then follow that statement by saying, "But, I don't want to talk about it."