However, in richer countries if would mean "only a few extra years" on a lifetime of medication.
In the big cities many people are already leading the sort of lives that have brought down fertility in richer countries.
One can legitimately question whether political and social systems in richer countries would suffer serious loss of cultural identity and social cohesion.
Just five years later, in 2007, that gap has nearly doubled, and people in richer countries have 15 times more information carrying capacity.
SABMiller access to some of the world's fastest-growing beer markets at a time when drinkers in richer countries are ordering more wine and spirits.
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Strife in the Middle East has made investors fearful of emerging markets in general, prompting them to flee to perceived safe havens in richer countries.
Heads of financial institutions did particularly poorly, mainly in richer countries that have suffered financial crises and fined banks for, among other things, manipulating markets and facilitating money-laundering.
The country's steady economic and political advance since its restoration of democracy is leading to the development of a larger and more environmentally conscious middle class, a phenomenon which in richer countries has forced governments to take tougher action to conserve natural resources.
She has made closing the Middle East's "knowledge divide" -- the gap in knowledge that has grown as a result of people in richer countries having more access to computers, the Internet and education than those in poorer countries -- a top priority over the next few years in the hope that it will unlock the economic potential of the region's population.
In some richer countries, however, investments in human capital appear to have hit diminishing returns, the report argues.
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"We have figures to show that poorer countries have actually more depression compared to richer countries and even poor people in rich countries have a high incidence of depression compared to the richer people in the same countries, " says Dr Saxena.
He says surpluses of food in the richer countries weakened the impulse to improve yields.
Brazil's taxes are already high at 35% of GDP, a similar level to that in many richer countries.
It is hardly surprising that, given the chance, many Romanies try their luck in the richer countries of western Europe.
In richer Asian countries like South Korea or Singapore there is a passion among the young for online gambling that often becomes addictive.
The bank argues that it has already moved out of sectors in the richer countries that attract copious investment, such as telecoms.
The views taken by your newspaper suggest that people's lives are worth less in poorer countries than in richer ones.
The group's videos build on a rising chorus of voices calling for change in the way people from richer countries see those who live in poorer places.
As the people in these countries get richer, it brings good news and bad news to Americans.
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Enormous difficulties are ahead of us, and the president, unlike in some other, richer countries, has to do a huge job for the sake of our citizens' interests.
On the average, people in both countries get richer.
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At the same time as people in developing countries are getting richer, more efficient factories and better designs are making cars more affordable.
Do we invest in direct poverty alleviation in poorer countries, or in the New Green Deal in richer ones?
Poor countries are far more interested in new initiatives for development aid, while some richer countries, especially the European ones, would like to see renewed commitment to tackling global warming.
And the same sort of thing is bound to happen in developing countries as they get richer.
This can become a problem when some suppliers hawk their wares at steep discounts in poor countries such as China, while keeping prices high in richer markets.
He has said he wants richer countries - particularly elsewhere in the European Union - to give up farming support in favour of a fair system of free trade.
This is obviously a near insane thing to believe, to think that people with lower incomes in poorer countries will actually have more wealth than people with higher incomes in richer ones.
The split in the EU reflects the gap between richer European countries and those that rely most on EU funding.
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