Ukraine must dramatically raise its birth rate with an average three children per woman or face a deepening population crisis that could cripple the country’s future, a senior demographer has warned.

Russia was in demographic decline long before the war in Ukraine. Now it’s in free fall.

women and children constitute more than 75% of displaced Ukrainians, although the proportion of men, which now stands at 23%, continues to rise steadily. Ukraine’s population has been decreasing ...