# Divorce demography

Divorce demography is the study of the demographic factors that causes divorce.

## Divorce statistics by country

Country or district Crude marriage rate Crude divorce rate % Divorce:marriage ratio Data Source Year
Albania 7.8 1.9 24 (2016)[1]
Algeria 10.1 1.6 16 (2013)[2]
Armenia 6.0 1.0 17 (2011)[3][4]
Australia 4.6 2.0 43 (2017)[5]
Austria 5.1 1.8 35 (2016)[1]
Azerbaijan 9.7 1.5 15 (2011)[3][4]
Bahamas 6.1 1.0 16 (2007)[3][4]
Belarus 9.2 4.1 45 (2011)[3][4]
Belgium 3.9 2.1 54 (2016)[1]
Bermuda 10.6 2.7 25 (2009)[3][4]
Bosnia and Herzegovina 4.8 0.6 13 (2012)[1]
Brazil 6.6 1.4 17 (2009)[6]
Bulgaria 3.8 1.5 39 (2015)[1]
Chile 3.3 0.7 21 (2009)[3][4]
China 9.3 2.8 30 (2015)[7]
Colombia 2.3 0.7 30 (2007)[8]
Costa Rica 5.3 2.5 47 (2010)[3][4]
Croatia 4.9 1.7 35 (2016)[1]
Cuba 5.2 2.9 56 (2010)[3][4]
Cyprus 7.5 2.3 31 (2016)[1]
Czech Republic 4.8 2.4 50 (2016)[1]
Denmark 5.4 3.0 56 (2016)[1]
Dominican Republic 4.4 1.8 41 (2010)[3][4]
Egypt 11.0 1.9 17 (2010)[3][4]
El Salvador 3.5 0.8 23 (2006)[8]
Estonia 5.2 2.6 52 (2016)[1]
European Union 4.3 1.9 44 (2015)[1]
Finland 4.5 2.5 56 (2016)[1]
France 3.5 1.9 54 (2016)[1]
Georgia 6.9 1.3 19 (2011)[3][4]
Germany 5.0 2.0 40 (2016)[1]
Gibraltar 6.7 3.2 48 (2010)[3][4]
Greece 4.6 1.0 22 (2016)[1]
Guatemala 3.8 1.2 32 (2008)[3][4]
Hungary 5.3 2.0 38 (2016)[1]
Iceland 4.9 1.8 37 (2010)[1]
India 7.8 1.4 18 (2013)[9][10]
Iran 11.2 1.6 29 (2017)[11]
Ireland 4.7 0.7 15 (2015)[1]
Israel 6.5 1.8 28 (2009)[citation needed]
Italy 3.4 1.6 47 (2016)[1]
Jamaica 7.5 1.5 20 (2011)[3][4]
Japan 5.0 1.7 34 (2017)[12]
Jordan 10.2 2.6 25 (2010)[3][4]
Kazakhstan 8.6 2.3 27 (2008)[3][4]
Kuwait 5.2 2.2 42 (2010)[3][4]
Kyrgyzstan 9.7 1.6 16 (2010)[3][4]
Latvia 6.6 3.1 47 (2016)[1]
Lebanon 9.5 1.6 17 (2007)[3][4]
Libya 10.8 2.5 23 (2008)[13]
Liechtenstein 5.0 2.4 48 (2010)[1]
Lithuania 7.4 3.1 42 (2016)[1]
Luxembourg 3.2 2.1 66 (2016)[1]
Malta 6.7 0.8 12 (2016)[1]
Mauritius 8.2 1.4 17 (2010)[3][4]
Mexico 5.2 0.9 17 (2009)[3][4]
Moldova 7.3 3.1 42 (2011)[3][4]
Mongolia 3.4 1.1 32 (2010)[3][4]
Montenegro 5.1 1.1 22 (2016)[1]
Netherlands 3.8 2.0 53 (2016)[1]
New Zealand 4.8 2.0 42 (2008)[3][4]
Nicaragua 4.5 0.8 18 (2005)[8]
Norway 4.5 1.9 42 (2016)[1]
Panama 3.7 1.0 27 (2010)[3][4]
Poland 5.1 1.7 33 (2016)[1]
Portugal 3.1 2.2 71 (2016)[1]
Qatar 3.3 1.1 33 (2011)[3][4]
Republic of Macedonia 6.4 1.0 16 (2016)[1]
Romania 6.8 1.5 22 (2016)[1]
Russia 9.2 4.8 52 (2011)[3][4]
Saint Lucia 2.8 0.7 25 (2004)[8]
Saint Vincent and the Grenadines 5.8 0.8 14 (2007)[3][4]
San Marino 6.1 2.5 41 (2011)[3][4]
Saudi Arabia 5.2 1.1 21 (2005)[8]
Serbia 5.1 1.3 25 (2016)[1]
Seychelles 17.4 1.9 11 (2011)[3][4]
Singapore 6.8 1.9 28 (2015)[14]
Slovakia 5.5 1.7 31 (2016)[1]
Slovenia 3.2 1.2 38 (2016)[1]
South Africa 3.5 0.6 17 (2009)[6]
South Korea 6.4 2.3 36 (2013)[15]
Spain 3.7 2.1 57 (2016)[1]
Sri Lanka ? 0.15 ? ?[16]
Suriname 4.2 1.3 31 (2007)[3][4]
Sweden 5.4 2.4 44 (2016)[1]
Switzerland 5.0 2.0 40 (2016)[1]
Syria 10.6 1.3 12 (2006)[8]
Taiwan ? 2.31 ? (2017)[17]
Tajikistan 13.5 1.4 10 (2009)[3][4]
Thailand 5.5 1.4 25 (2005)[8]
Tonga 7.1 1.2 17 (2003)[8]
Trinidad and Tobago 6.3 2.2 35 (2005)[8][18]
Turkey 7.5 1.6 21 (2016)[1]
Ukraine 6.7 2.8 42 (2010)[3][4]
United Arab Emirates 2.8 0.7 25 (2005)[19]
United Kingdom 4.4 1.8 39 (2015)[1]
United States 6.9 3.2 46 (2014)[20]
Uruguay 3.2 ? ? (2010)[3]
Uzbekistan 7.8 1.1 14 (2006)[21][22]
Venezuela 3.3 1.2 36 (2006)[3]
Vietnam 5.7 0.4 7 (20015)[3][4]

## Metrics / statistics

### Crude divorce rate

This is divorces per 1,000 population per year.[23] For example, if a city has 10,000 people living in it, and 30 couples divorce in one year, then the crude divorce rate for that year is 3 divorces per 1,000 residents.

${\displaystyle {\text{Crude Divorce Rate}}={\frac {\text{Number of divorces}}{\text{Population}}}\times 1000}$

The crude divorce rate can give a general overview of marriage in an area, but it does not take people who cannot marry into account. For example, it would include young children, who are clearly not of marriageable age in its sample. In a place with large numbers of children or single adults, the crude divorce rate can seem low. In a place with few children and single adults, the crude divorce rate can seem high.

### Refined divorce rate

This measures the number of divorces per 1,000 women married to men, so that all unmarried persons are left out of the calculation.[23] For example, if that same city of 10,000 people has 3,000 married women, and 30 couples divorce in one year, then the refined divorce rate is 10 divorces per 1,000 married women.

${\displaystyle {\text{Refined Divorce Rate}}={\frac {\text{Number of divorces}}{\text{Number of married women}}}\times 1000}$

### Divorce-to-marriage ratio

This compares the number of divorces in a given year to the number of marriages in that same year (the ratio of the crude divorce rate to the crude marriage rate).[23] For example, if there are 500 divorces and 1,000 marriages in a given year in a given area, the ratio would be one divorce for every two marriages, e.g. a ratio of 0.50 (50%).

${\displaystyle {\text{Divorce-to-Marriage Ratio}}={\frac {\text{Number of divorces}}{\text{Number of marriages}}}}$

However, this measurement compares two unlike populations – those who can marry and those who can divorce. Say there exists a community with 100,000 married couples, and very few people capable of marriage, for reasons such as age. If 1,000 people obtain divorces and 1,000 people get married in the same year, the ratio is one divorce for every marriage, which may lead people to think that the community's relationships are extremely unstable, despite the number of married people not changing. This is also true in reverse: a community with very many people of marriageable age may have 10,000 marriages and 1,000 divorces, leading people to believe that it has very stable relationships.

Furthermore, these two rates are not directly comparable since the marriage rate only examines the current year, while the divorce rate examines the outcomes of marriages for many previous years. This does not equate to the proportion of marriages in a given single-year cohort that will ultimately end in divorce. In any given year, underlying rates may change, and this can affect the ratio. For example, during an economic downturn, some couples might postpone a divorce because they can't afford to live separately. These individual choices could seem to temporarily improve the divorce-to-marriage ratio.

## References

1. "Marriage and divorce statistics". Eurostat 2017.
2. ^ "Office National des statistiques - Démographie Algérienne 2014" (PDF). Office National des Statistiques (ONS) 2013.
3. "Marriages and crude marriage rates" (PDF). United Nations Statistical Division (UNSTAT) 2011. Retrieved 10 January 2013.
4. "Divorces and crude divorce rates" (PDF). United Nations Statistical Division (UNSTAT) 2011. Retrieved 10 January 2013.
5. ^ Australian Bureau of Statistic: Marriages and Divorces
6. ^ a b BRICS Joint Statistical Publication 2012, Chapter 3: Population (PDF). 2012. p. 18. Archived from the original (PDF) on 2013-02-28. Retrieved 2013-01-20.
8. "World Marriage Data 2008". United Nations, Department of Economic and Social Affairs, Population Division (2009). Retrieved 19 January 2013.
9. ^ BBC 2013 Article Divided by Indian population in 2013. Note: India does not conduct marriage and divorce statistics
10. ^ Note: Crude divorce rate calculated for the State of Haryana which is the 5th highest divorce rate of 12 states which record yearly settled divorces. The number of marriages in Haryana was calculated as a percentage of its population from previous reference.
11. ^ BBC Persian "رکورد طلاق در ایران شکست؛ ثبت ۱۷۵ هزار جدایی در سال ۱۳۹۶", BBC, London, 9 April 2018. Retrieved on 28 November 2018.
12. ^
13. ^ UNESCWA Population Statistics
14. ^ SINGAPORE SOCIAL STATISTICS IN BRIEF 2015 (PDF). Ministry of Social and Family Development. Archived from the original (PDF) on 2015-12-08. Retrieved 4 December 2015.