Look up actual data instead of making assumptions. Around 130 children are being born in Gaza daily. Over two years this is more than the official number killed in the war, so the population has not declined.
https://www.savethechildren.net/news/about-130-children-born...
I'm feeding a troll here, but for the benefit of those reading along:
The official numbers are a subset of all deaths: only deaths from direct military action are counted.
In most wars, excepting the shortest conflicts, those deaths are a minority of all deaths.
Even taking the numbers of Save the Children (and I'll let everyone decide whether they're likely an overestimate or an underestimate), it's difficult to think that for every 4 people killed in this slaughter, only 1 person died of hunger, disease, chronic illness, childbirth, age, etc., etc., etc.
Over 2 years.