Will WW3 directly cause over 1B civilian casualties?

Prediction market on manifold. Resolves according to the best estimate of experts that is accepted by western mainstream media 5 years after the end of the war. If "western" doesn't make sense because of a new geopolitical order, this market will resolve according to the consensus of the media of the biggest country (by population).

Liquidity: $3,596. Resolves: 1/10/2100.