- Most of the world’s Jews live in the United States and Israel – two economically developed countries where advanced transportation and health care networks, educational opportunities, and other forms of infrastructure affect many life choices, including living arrangements.
- Typically, Muslims in Nigeria share their homes with almost three more people than their Christian compatriots, with an average household of 8.7 people among Nigerian Muslims, compared with 5.9 among Nigerian Christians.
- Still, European Muslims follow the region’s overall tendency toward relatively small households, and Muslims in Europe live with fewer people than Muslims in other parts of the world.
- Especially in places where big households – including certain expansive types, such as extended families and polygamous arrangements – are common, there can be dramatic differences between the average size or type of households in that country and the experience of the average individual living there.
- Although the regional distribution of religious groups often coincides with economic factors that affect the types and sizes of households people tend to live in, there are noticeable differences among religious groups within the six regions covered in this report, and even within single countries.
- In these and many other ways, religious leaders, texts and traditions can affect the choices that people around the world make about procreation, marriage, divorce and family life.
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