Which countries were the most affected in World War I?

France - France lost over 4% of their population [1] to the war, with most of the deaths in the demographic of 18-35 year old men. read more

In a way the countries most affected were those that ceased to exist. Two big countries fell in the wake of the conflict. The Austro-Hungarian empire was defeated, and dissolved in the war's aftermath. The Ottoman Empire was partitioned, and shortly after collapsed. Two of the world's great powers were gone in the space of a few years. read more

zxm It's about those countries which were affected in world war II .It's also includes after the war. The Top Ten 1 Japan Japan is an island country in East Asia in the Pacific Ocean. read more