The Marie Stopes clinic on the outskirts of Ouagadougou, capital of Burkina Faso, recently performed the country’s first vasectomy. It stirred a public outcry. One man said Daoude Zia, a 41-year-old teacher with four children, had let himself be “castrated.” “We must sleep with women without using contraceptives,” wrote another, “and women should throw away family planning, because children are a gift of God and we must create more and more.”
African demography is unique. It is the only continent that will double in population size, reaching two billion people by 2045 at cur-rent rates. Some countries, such as Liberia and Niger, are growing faster still, doubling in size in less than 20 years. With 12 per cent of the world’s population, sub-Saharan Africa has 57 per cent of the deaths of mothers in childbirth, 49 per cent of infant mortality and 67 per cent of HIV infections. Yet Africa is also showing signs of embarking on the same transition toward smaller families.
In North Africa, families of two children are the norm. Even if you exclude that region, the sub-Saharan part includes areas of relatively low fertility, such as southern Africa, where families of three children prevail. Big cities, such as Zambia’s Lusaka and Congo’s Kinshasa, have fertility rates below four children. Evidence of lower fertility is raising hopes that Africa can reap a “demographic dividend,” the economic benefit countries get when the share of the working-age population rises relative to children and old people.
Which, then, is more likely; dividend or disaster? Start by comparing Africa with other parts of the world. When fertility started to fall in Asia after 1960 and Latin America after 1970, it did so quickly, ineluctably and universally. The number of children a woman could expect in her lifetime fell from six to two in a generation. The fertility fall was continuous. And contraceptive use spread rapidly. Family planners were amazed to discover that only a year or two after contraceptives had appeared in cities, illiterate women were using them in remote villages. The pattern of swift, uninterrupted decline is now taken as the norm: The United Nations uses it to project a worldwide convergence toward the replacement rate of fertility (2.1, the rate at which a population stabilizes in the long term).
But convergence is not happening in Africa. In a few countries, including Niger and Uganda, the fall in fertility has barely begun. Where it has started, the decline is usually slower than it was in Asia. East Asian fertility fell by more than half in the 20 years to 1985. In Cameroon, fertility has fallen only one percentage point (from 5.7 to 4.7) in the past 20 years. And in eight African countries, including Ghana and Kenya, the decline has stalled – that is, after falling for a while, the rate got stuck at about five. Fertility stalls are not unknown elsewhere. But no continent has experienced so many stalls, and so early in the process of decline, as Africa.
In the 1970s, the main explanation for the continent’s high fertility was cultural. The extended family plays a bigger role in African life than elsewhere; children are often brought up by cousins or aunts. As fertility has begun to fall, though, other explanations have come to the fore. Family planning is much less readily available in Africa than it was in Asia. By some estimates, one quarter of married women want contraceptives but cannot get them. That reflects reduced aid for family planning in the past 15 years and political ambivalence about cutting fertility in Africa itself.
But cultural resistance, lack of contraception or weak political will cannot be the sole explanations. Malawi increased modern contraceptive use from 17 per cent of women in 1998 to 42 per cent in 2010, but fertility fell only a bit. To generalize wildly, there are two ways to control fertility: to have children quickly and then use contraception to stop having more, or to space out births, leaving longer intervals between each. Many Africans have tradition-ally used the second method – and may now be using contraception to make birth intervals even longer. The average lapse between first and second births in South Africa is almost four years. This method of control does cut fertility, but not as much as the other.
Mortality also plays a role. Infant mortality in Africa remains stubbornly high: 85 babies die for every 1,000 live births. It is more than four times East Asia’s current rate.
By increasing mortality, the spread of HIV/ AIDS probably kept fertility higher than it would have been. Last, female education in Africa, like contraceptive use, has lagged behind the rest of the world, and there is a close connection between educating girls and having fewer children.
All this explains why the fall in African fertility has been modest. It implies the decline could accelerate if Africa were to get the conditions right. But it also suggests Africa’s demographic transition may end up different from the “gold standard” of Asia: It will be patchier (with occasional fertility stalls) and led by cities and a few countries (South Africa, Rwanda).
It also means that until Africa reduces rural fertility, it will not reach replacement levels.
That could take years, but attitudes are starting to change. In Burkina Faso, the vasectomy row did not put everyone off. The clinic per-formed two more procedures the next day. One was for a 52-year-old farmer.