What If the Roman Empire are Reunited

1. It's larguest city would be Constantinople (14.16 million), one of the Empire's historic capitals.
2. At 10,3 million square kilometers, it would be the second largest country on earth.
3. It would be the third most populous country, at 716.7 million people.
4. It's GDP would be 15 trillion, making it the second largest economy in the world.
5. With over 3.930.000 active personnel, it would have the largest military force in the world.
6. In the field of religion, 46.1% of the population would be Christian, 43.9% would be Muslim, and 10% would be from other religions.