Vital rates

Vital rates refer to how fast vital statistics change in a population (usually measured per 1000 individuals). There are 2 categories within vital rates: crude rates and refined rates.

Crude rates measure vital statistics in a general population (overall change in births and deaths per 1000).

Refined rates measure the change in vital statistics in a specific demographic (such as age, sex, race, etc.).

## Marriage rates

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The national marriage rates since 1972,in the US have fallen by almost 50% at six people per 1000. According to Iran Index and National Organization for Civil Registration of Iran Iranian divorce rate is in the red at its record highest level since 1979, divorce quotas were introduced to curb enthuitasim.[1][2][3][4][5][6][7]

## References

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1. ^ "نرخ طلاق در کشور وارد محدوده قرمز شد". روزنامه دنیای اقتصاد (in Persian). 2023-06-08. Archived from the original on 2022-02-19. Retrieved 2023-06-08.
2. ^ "نرخ ازدواج در کشور پس از هشت سال مثبت شد - ایرنا". www.irna.ir. Archived from the original on 2022-01-14. Retrieved 2023-06-08.
3. ^ "سهمیه بندی دستوری کاهش طلاق؛ افزایش آمار و دلایل اقتصادی، فرهنگی و جنسی". BBC News فارسی (in Persian). Archived from the original on 2022-09-23. Retrieved 2023-06-08.
4. ^ "در ۱۰ سال گذشته، آمار طلاق در ایران دو برابر شده است". ایندیپندنت فارسی (in Persian). 2021-10-25. Archived from the original on 2021-12-06. Retrieved 2023-06-08.
5. ^ "ثبت رکورد خطرناک یک طلاق به‌ازای هر 3 ازدواج در کشور!+ نمودار- اخبار خانواده و جوانان - اخبار اجتماعی تسنیم | Tasnim". خبرگزاری تسنیم | Tasnim (in Persian). Archived from the original on 2022-05-21. Retrieved 2023-06-08.
6. ^ فردا, رادیو (2021-10-27). "ادامه افزایش آمار طلاق و کاهش آمار ازدواج در ایران". رادیو فردا (in Persian). Archived from the original on 2022-12-07. Retrieved 2023-06-08.
7. ^ "ازدواج اگر آسان نشود، کار سخت می‌شود - ایرنا". www.irna.ir. Retrieved 2023-06-08.

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