Populated places with highest incidence of multiple birth explained

This article lists places worldwide where relatively high birth rates of twins have been documented.

Villages and towns

Location	Country	Continent	Twin Birth Rate
		Asia	204 sets of twins and 2 sets of triplets born to 2,000 families ^[1]
		Europe	122 twins in a population of 4,000 ^[2]
		Africa	45 to 50 sets of twins per 1000 live births ^[3]
		South America	One in 10 births involves twins^[4]
		Asia	One in 10 births involves twins ^[5]
		Africa	^[6] ^[7]

States

In 2008, Massachusetts has emerged as the most prolific producer of multiple births in the United States. The state has a twin birth rate of 4.5 for every 100 live births, compared with a national rate of 3.2.^[8]

Notes and References

1. News: Babies come in twos in this Kerala village. DNA. 2020-01-29.
2. News: This village breaks records for 'multiple' reasons.... Lubin. Rhian. 2016-01-27. mirror. 2018-01-08.
3. Web site: The Land Of Twins BBC World Service. www.bbc.co.uk. 2018-01-08.
4. 9181177. 1996. Matte. U. Study on possible increase in twinning rate at a small village in south Brazil. Acta Geneticae Medicae et Gemellologiae. 45. 4. 431–7. Le Roux. M. G.. Bénichou. B. Moisan. J. P.. Giugliani. R. 10.1017/S0001566000000829.
5. News: India's twins pose DNA puzzle. 2004-02-23. 2018-01-08. en-GB.
6. Web site: قرية "أبو عطوة" المصرية.. مدمنة توائم,. archive.aawsat.com. 2018-01-08.
7. Web site: يخلق من الشبه 600 فى قرية أبو عطوة!. elgornal.net. 2018-01-08.
8. News: Massachusetts, land of twins. Schweitzer. Sarah. 2008-06-17. Boston.com. 2018-01-08.