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Commentary: China’s three-child policy won’t fix its fertility problem

Simply allowing people to have more children without addressing some of the deeper socio-economic structures will yield little result, says an economics professor.

Commentary: China’s three-child policy won’t fix its fertility problem

China is relaxing its family planning policy to allow couples to have up to three children AFP/Noel Celis

IRVINE, California: In an effort to address rapid population ageing, China has just announced that it will allow all families to have up to three children. 

The decision comes on the heels of widely publicised new data showing that the Chinese fertility rate in 2020 was only 1.3 per woman, which is similar to that of Japan (1.36 in 2019) and notably lower than that of the United States (1.7).

But a below-replacement fertility rate is only one part of China’s demographic problem. A second issue is the sheer size of its older population. Before 1971, Chinese family-planning policies were pro-natal, restricting access to contraceptives and family-planning education. 

As a result, the country’s current or soon-to-be elderly population has grown particularly large: The size of the population aged 15-24 is only around 72 per cent that of those aged 45-54, compared to 79 per cent in Japan and 100 per cent in the US. 

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This top-heavy demographic structure makes the problem of declining fertility even more acute, because new, younger workers are needed to replace those who will retire and require support.

A third issue is urban-rural inequality. China’s rural population is generally prohibited from moving to urban areas by the country’s hukou system of residency permits. Rural residents thus have had fewer opportunities to access education and health care. 

In 2010-2012, the urban enrollment rate was 100 per cent for middle school, 63 per cent for high school, and 54 per cent for university; in rural areas, it was 70 per cent, 3 per cent, and 2 per cent, respectively.

Likewise, urban areas had 2.68 doctors per 1,000 people in 2008, compared to just 1.26 per 1,000 people in rural areas. Not surprisingly, rural areas suffer worse health outcomes, with lower life expectancy and higher morbidity rates than in urban areas.

Chinese policymakers tend to discuss each of these issues separately. But that is a mistake. Low fertility, the legacy of pro-natal policies, and rural-urban divides all affect a population-age structure that has a direct bearing on China’s long-run economic development.


Economic growth depends heavily on the quality of the labour force. If workers cannot access health care or acquire skills in school or on the job, the economy will suffer. Worldwide, differences in worker quality can explain around half of all cross-country differences in income and growth.

Telling Chinese couples that they may have three children will not automatically increase the fertility rate, nor will it necessarily help with the larger economic challenge. Fertility is determined by socioeconomic factors such as the cost of raising children and the economic opportunities that parents foresee for their offspring.

FILE PHOTO: Students study ahead of the entrance exam for postgraduate studies, at a library in Zhengzhou University in Zhengzhou, Henan province, China December 13, 2017. (Photo: REUTERS/Stringer)

Those costs are extraordinarily high in urban China, where residential real estate is more expensive than in any other country at a similar income level.

Moreover, academic competition is intense. Children and their parents begin feeling the pressure of the nationwide gaokao exam for university admission in primary school. 

A 1999 reform that expanded the number of university slots could have partly relieved this pressure, except that job growth has not kept up; unemployment rates for college graduates have duly increased.

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Urban parents also face the burden of caring for their own ageing parents. This is no small task in a country where pensions are limited, and where few people move to retirement communities later in life. 

Most ageing Chinese expect their adult children to care for them. And because the one-child policy in place from 1979 to 2016 was enforced more strictly in urban areas, most young urban parents grew up as only children. 

With no siblings to share the load, couples can expect to spend the next one or two decades caring for four ageing parents in addition to rearing their own child. Adding two more children would increase the average couple’s dependents from five to seven.


By contrast, fertility is higher in rural areas, and the cost of rearing children is lower. Housing is cheaper, and the fact that there are fewer schooling opportunities means that parents can worry less about the costs of education. 

Rural Chinese of childbearing age are much more likely to have siblings with whom they can work together in caring for elderly parents.

Under these circumstances, allowing families to have three children without also making other changes would likely not achieve the intended economic result, and could even make things worse. 

With the urban population unlikely to have many more children unless the financial burdens of child-rearing and elder care are reduced, it is only rural fertility that will increase. 

Children play in front of a kindergarten in the settlement of Dajing in rural Shaanxi province, China, June 11, 2017. REUTERS/Sue-Lin Wong/Files

And without improvements in rural health and education, the size and share of the unskilled working population will grow.

A labour force with a growing share of unskilled workers is the last thing China needs as it strives to push the frontiers of technological innovation and advance beyond middle-income status. While improving schools and public health in rural areas is straightforward (albeit expensive), generating employment for the graduates will be much more difficult. 

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And without employment, young people will not be able to help support the ageing population.

Chinese policymakers have shown awareness of some of these issues. In addition to increasing the fertility limit, they have acknowledged the need to reduce housing costs and to provide education subsidies. 

But these proposals remain vague, because there really are no simple solutions. Chinese policymakers will need to be mindful of the economic ramifications of the country’s demographic trends in tandem with its rural-urban divide – and take care to avoid making a difficult problem worse.

Nancy Qian is Professor of Managerial Economics and Decision Sciences at Northwestern University's Kellogg School of Management and Director of China Lab.


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