1. Marriage rate is 28% 28% (7/2) = 100% meaning Each parents needs to give birth to 7 children in average to have an unchanged population.
Contrast:
2. People believe that populations are 2.17^x Exponential growth.
3. Then google says it is linear growth.
4. Then population pyramid. net, says populations are made of uphill and downhill.
5. Now we have population declines as reality.
What are the differences?
1.婚姻率為28% (28%)(7/2)= 100%意味著每個父母平均需要生育7個孩子才能保持不變的人口。
對比:
人們認為人口是2.17 ^ x指數增長。
然後谷歌說人口是線性增長。
然後人口金字塔網站說,人口是上坡和下坡。
現在我們將人口下降視為現實。
分別/差異有多大?
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