That demographic change you emphasized is noteworthy. 2 other countries with troubles right now also have their problems: China and Ukraine.Israel is staring at a demographics calamity. Or opportunity, depending on where you sit. But definitely change.
Both Israeli Arabs and the ultra-orthodox Haredi are out-reproducing the more liberal, secular element. The Haredi are the ones enabling/driving the hard right shift. They don't serve in military and help with the nation's defense, but they do vote. They are at 13% of the population now.
For Gaza, 50% of the population is below the age of 18.

China’s birth rate crisis is so intense that Nestlé is closing a baby formula plant as demand dwindles
Nestlé operations in Askeaton will be moved to China and Switzerland, as falling births in China dent baby formula demand.
The number of newborn babies in China has declined sharply from some 18 million per year in 2016 to fewer than 9 million projected in 2023,”
In January 2021, a year before Russia's full-scale invasion, the fertility rate was 1.16, according to national statistics. She says Ukrainian demographers are projecting the fertility rate could fall as low as 0.55 in 2023, though official statistics are not available.