Which countries in the world have negative natural population growth rates? Why?

Among the EU countries, Germany, Italy and Sweden have experienced serious negative population growth, while the population growth in Britain has also stagnated and has a downward trend. United Nations population experts believe that EU countries need to absorb 654.38+0.5 billion new immigrants in the next 25 years to keep the balance between working population and retired population. Japan has entered a society with negative population growth. Russia, a country with negative population growth, is facing a crisis. Russia is not the only country with a declining population, but no country can match it in terms of the scale and speed of population decline. According to the data of the US Immigration Bureau, from 1992 to 2003, there were dozens of countries with declining population in the world. The main reason for the population decline in most countries was emigration, while in Russia, the situation was just the opposite-in the past three years, the number of people returning from the former Soviet Union countries was 2 million per year. Even so, the population loss of this vast country in the past 10 years still reached hundreds of thousands on average every year. The US Immigration Service predicts that from 2000 to 2025, even according to the most conservative estimate, the population of Russia will decrease by 654.38 million. The more conservative estimate of the United Nations population program is 26,543.8 million. Natural population growth rate of some countries and regions in the world in 2004 (%): 1 Negative population growth: Estonia -0.4 Latvia -0.5 Lithuania -0.3 Germany -0.2 Belarus -0.6 Bulgaria -0.6 Czech Republic -0.2 Hungary -0.4 Moldova -0. 1 Romania -0.3 Russia -0.6 Ukraine -0.8 Croatia -0.2 Second, the natural growth rate is less than 1 %: Canada 0.3 USA 0.6 Barbados 0.6 Martinique 0.7 Trinidad and Tobago 0.6 Armenia 0.2 Azerbaijan 0.8 Georgia 0.8+0 China Macau 0.4 Japan 0.01North Korea 0.7 Korea 0.5 Denmark 0.01Finland 0.2 Iceland 0.8 Ireland 0.8 Norway 0.3 Sweden 0. 1 UK 0. 0.6 Netherlands 0.4 Switzerland 0. 1 Poland 0.0 Slovakia 0.0 Andorra 0.8 Bosnia 0. 1 Australia 0.6 New Zealand 0.7 Palau 0.8 1.984 The only country with negative population growth was Germany, which reached 13 in 2004. Japan in Asia also experienced negative growth in 2005. Reasons: Europe, especially the developed countries in western Europe, on the contrary, their social welfare system is perfect and they are not worried about the problem of providing for the elderly; It is also a capital and technology-intensive economic model that does not require a lot of labor. On the other hand, training a child often requires a lot of energy and money (including parents' personal and national), so generally speaking, the cost is high and the efficiency is relatively low. Therefore, the west regards raising children as a kind of fun, rather than mixing too many practical factors. At the same time, the mortality rate in developing countries is also declining, and the mortality rate in western European countries is not too low, so the population growth rate in developing countries is very high, while the population growth rate in western European countries is often zero or even negative. Japan is also a similar reason.