The No-Nonsense Guide to World Population
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About this ebook
A highly relevant subject as the world population is nearing 7 billion this year.
Tackles complex, topical issues in an accessible and easy-to-read style.
Includes b&w maps charts and graphs to illustrate key points.
Fully referenced, and includes useful bibliography and contacts sections.
Written by a previous No-Nonsense Guide author and co-editor at the New Internationalist.
Vanessa Baird
Vanessa Baird has been co-editor at New Internationalist magazine since 1986. Her previous books include, as compiler and editor, Eye to Eye Women and The No-Nonsense Guide to Sexual Diversity.
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The No-Nonsense Guide to World Population - Vanessa Baird
Introduction
WHEN SHE WAS young, my great-aunt – a tiny, sprightly woman who painted vast canvasses – had wanted to become a nun. Then she met a Flemish poet and they fell in love. She agreed to marry him on one condition: that they had 12 children. True to the old baking tradition, they made 13.
Her niece, my mother, also briefly flirted with the holy life. Her tryst with celibacy was equally convincing. As the eighth of her brood, I approach the subject of global population with a touch of trepidation. By most people’s standard of reasonable family size I really shouldn’t be here.
But then the subject of population – and in particular population growth – is one that seems capable of provoking all kinds of emotions.
Today there are around 7 billion people occupying this planet. That’s up from 5.9 a decade ago. By 2050 it is projected to top 9 billion (see chart).
Talk of ‘overpopulation’ has been with us for some time. Already, in 1798, when there were a mere 978 million people in the world, mathematician Thomas Robert Malthus was warning of an impending catastrophe as human numbers exceeded the capacity to grow food.
He was, as it turned out, wrong. Population increased but so did farming efficiency.
Since then, the global history of counting people has gone through some murky periods, the most extreme human rights abuses having taken place under the mantle of ‘population control’.
Often the real cause of concern was the fact that others – be they people of other races or social classes or religions or political allegiances – were reproducing themselves perhaps at a faster rate.
That attitude is not consigned to history. In 2009 Michael Laws, Mayor of Wanganui District in New Zealand/Aotearoa, was proposing that in order to tackle the problems of child abuse and murder, members of the ‘appalling underclass’ should be paid not to have children. ‘If we gave $10,000 to certain people and said we’ll voluntarily sterilize you
then all of society would be better off,’ he told the Dominion Post newspaper.
Most contemporary worries about population are less offensively expressed. For many people the issue is primarily an environmental one. The logic is simple. The more people there are, the more greenhouse gas is emitted, the more damage is done. Any attempts to reduce carbon emissions will be negated by runaway population growth.
Food is another worry. Will there be enough to feed the world? Already one billion of us go hungry – what will it be like when another two or three billion join the planet? Many people are saying it will be a hell. The world is at breaking point; overpopulation will tip us over the edge.
Some are even saying we need fewer people than we currently have. The UK-based Optimum Population Trust is suggesting that to achieve sustainability we should be aiming to reduce global population by at least 1.7 billion people. The Voluntary Human Extinction Movement goes even further, saying that the best thing anyone can do for the Earth is to stop breeding altogether and give other species a chance at least of surviving the mess we have made.
Population of the world, 1950-2050
Source: Population Division of the Department of Economic and Social Affairs of the United Nations Secretariat (2009). World Population Prospects: The 2008 Revision. New York: United Nations.
On the other side are people who point out that such apocalyptic scenarios are not new; that, time and again, fears about population have concealed underlying problems of inequality and have been used to push other agendas, such as anti-immigration. Population is growing, they say, but we humans will do what we have always done faced with challenges: innovate, adapt, get more efficient, and use our ingenuity to survive.
Who is right? Should we be taking more notice of the ever louder clamor of alarm bells? Or is today’s population panic as unfounded and potentially manipulative as earlier panics turned out to be? And is ‘how many’ people the main issue anyway?
Recently, I set out to do a special report on the subject for New Internationalist magazine. Back in the 1980s I’d been involved in producing press kits for the UN Population Fund. But that was a while ago. Since then I’d had only occasional contact with the issue and I didn’t really know what to make of today’s increasingly heated debates.
This book is a journey through what has become a veritable minefield. As the story of global population began to unfold I saw it to be a gripping narrative of life, death, sex, power, religion, money, food and the future of the planet itself.
The story begins with babies... or perhaps a little before that.
Vanessa Baird
Oxford, 2011
1 Are too many people being born?
Journalists and campaigners are sounding the alarm about population growth. But demographers don’t seem to be panicking. Let’s look at what they are studying: the numbers. And, in particular, at the birth rate.
SOMEONE HAS TAKEN the trouble to calculate that during the course of one day at least 200 million people on our planet will have sex.
Don’t ask how they know or what definition of ‘having sex’ they are using. Suffice to say that it’s happening and while, today, most of those people having sex will be using some form of contraception, many millions will not. Which might well contribute to the next figure.
Every 10 seconds – about the time it’s taken you to read thus far – 44 people are born. That’s around 140 million new babies over the course of a year. If you subtract the number of people who will die during the year, it’s still adding another 83 million people to the world. That’s the equivalent of another Germany or a quarter of the US.¹
It mounts up, and in the gap between my writing this and your reading it, any precise figure for current global population will have become out of date. So let’s settle for a nice round seven billion of us.
That’s up from 5.9 billion a decade ago and by 2045-50 there are likely to be at least nine billion according to the UN’s medium projection. Or there could be just under eight, if you go with the lowest projection. Or over 11 if you go with the highest.
Bewildered? You are not alone. But the middle projection of nine billion is the one that most demographers are going with, so let’s stick with that (see chart page 13).
Before the 20th century no-one had ever witnessed the doubling of global population. Now some people have lived through a tripling of it. And not so long ago, global population was a subject that fascinated few people apart from family planning professionals and demographers – a group of people described as being ‘like accountants but without the charisma’.
Today, the dramatic escalation of human numbers is sprouting headlines across the world and causing agitated debate on the airwaves, in cyberspace and across kitchen tables. Such-and-such-a-number is ‘too many people’, someone confidently asserts. ‘No, it isn’t,’ someone else counters, with equal confidence.
A trawl of headlines from various countries throws up the following:
‘Global population explosion could cause wars and starvation’ (Daily Mirror, Britain);
‘How are we going to cope with the world’s burgeoning population?’(Brisbane Times, Australia);
‘Ageing populations may crimp the world’s finances’ (New York Times, US);
‘Number of Muslims in Canada predicted to triple over next 20 years’(National Post, Canada);
‘High population growth will be our doom’ (Daily Nation, Kenya);
‘Population time-bomb will hit Earth by 2020’ (Metro, Britain);
‘Population growth, climate change, grim pair’ (Victoria Times Colonist, Canada);
‘Population tide may turn’ (Financial Mail, South Africa);
‘Anglican Church says overpopulation may break eighth commandment’ (The Age, Australia);
‘The population time-bomb is a myth’ (Independent, Britain).
In spite of this outpouring, which has been building momentum in recent years, it is still claimed that population is a ‘taboo’ subject that ‘nobody’ is prepared to discuss. ‘Why don’t you deal with the real problem?’ readers, listeners and high-profile campaigners complain, ‘which is overpopulation’.
World population
Notes: Solid line represents rate of growth
Blocks represent rate of increment
One reason the rate of increment is declining is because the fertility rate is falling.
Warning: UN demographers currently offer eight variant projections for the future, with the median (just over 9 billion) being the most cited. All projections are conditional assessments based on current numbers, age structure and trends and reasonable assumptions about the future. This 2050 projection ranges from slightly under 8 billion to slightly over 11 billion.
Source: United Nations Department of Social and Economic Affairs – Population Division, World Population Prospects: the 2008 Revision
What are we to make of this? To try to find out I headed for the Moroccan city of Marrakech and the 16th International Population Conference of the International Union of the Scientific Study of Population (IUSSP). It’s the main body that brings together those who study population trends around the world and I understand around 2,000 of them will be gathered there. I’m hoping they might be able to shed some light.
Fertility dips
Two small boys are picking olives off a tree in the central reservation on the road leading to the Palais de Congrès in downtown Marrakech where the week-long conference is about to begin.
The boys place the olives in a bag before moving on to the next tree.
That’s it! That’s what’s missing. Small boys!
I had been trying to work out why Morocco felt so different on this occasion compared with my two previous visits to the country. The first, in 1975, left me with a memory of being constantly besieged by gangs of small – and not so small – boys. They were offering their services as guides or porters or protectors from other boys offering their services as guides, porters or protectors...
On my second visit, in 1987, I was doing a feature for the United Nations Population Fund (UNFPA) which involved following the story of a woman who had just gone into labor. Back in her village a couple of days after the birth, the young mother still looked exhausted. She said she did not want any more children. Five was enough. ‘She seems quite determined,’ I commented to the midwife who had arranged the visit. She shrugged. ‘Maybe. But her husband wants to have more. It’s a question of status for him.’
Since then, Morocco has experienced a sharp decline in its fertility rate. Instead of women having seven or eight children, as they did in the 1960s and 1970s, they now have between two and three.
I flick though the two fat booklets provided for the population conference. There are hundreds of sessions on many different aspects of the subject. But there seems to be little relating to a global population explosion. Are these researchers living in a bubble? Don’t they hear the raised voices of concern outside their discipline?
As I continue looking, though, I see that from midweek onwards there are some sessions on the link between