I find the top three ratios interesting: there's a tiny skew towards females but a huge skew towards males.
It doesn't show what the green threshold is though. From memory, the natural birth ratio is 49:51 m:f, so the female skew is only about 3% while the male skew is about 20%. Seven times larger.
If I were colouring the map, I don't think I'd have bothered with differentiating purple and green, or perhaps used more graduations.
My guess is that there isn't a country out there that has a cultural preference for women over men, so at best you're going to see fairly close to equal, plus the difference of men dying earlier from things like wars, dangerous jobs, and lifestyle.
Whereas there are many cultures that strongly select for male children, plus some that also bring in high numbers of male workers.
A lot of countries / cultures do still have bride prices , i.e. reverse dowry, so there is some economic incentive for women there but probably not enough to commit infanticide or selective abortions that causes some of the lopsided male ratios.
Just a guess, but I think the difference in a country like Qatar can be explained by the import of labor. They hire a workforce from a different country which tend to be dominantly male in those regions. And we've seen with the football WC how they're developing.
Yes, plus migrant labor. I imagine most countries that skew male are only a percent or two off. The major outliers are the Persian gulf nations, because they are tiny and rich. All those extra men are migrant workers from poorer nations, sending money back home.
In many countries where males are valued more highly culturally, infanticide is depressingly common. On a similar note, many countries have outlawed doctors revealing the baby's sex during pregnancy appointments because too many parents would end the pregnancy if it was going to be a girl.
In general, for citizen it's 103:100 male/female ratio, it's only when added the whole population, including permanent resident and immigrant, the ratio skewed to 111:100, because there's more immigrant men coming in to work as blue collar than women. There's no widespread infanticide happening as far as i can tell, so it's very likely just happen naturally.
What happened in Qatar is very likely similar situation.
Qatar for instance is not very high (this is a ratio of number of male over number of female) on the "at birth" and "0-14" age bracket with 1.02. it's actually a bit lower than western countries.
The data is still concerning in some countries with notably larger "at birth" ratio and even an increase in th "0-14" age bracket.
Life expectancy is longer for women, so I think it's just countries with nothing weird going on, but they'll still have significantly more older women than older men.
Wow, that is very concerning overall. Of course the closer the ratio can be to 50/50 the better, but the science also shows the 80/20 rule (80% of women will choose from only the top 20% of men, given the option). It doesn't bode well for genetic diversity, I suppose. But I'm not a scientician.
I'm being down voted?! Can someone please stop licking a window long enough to tell me why? Serves me right for trying to have any sort of logical discourse on Lemmy I suppose.