As we have seen, much of the wealth of the US is concentrated in just a few people.如我們所見美國的大部分財富集中在僅很少一部分人中

10% of its population had an estimated 75% of the wealth in 2015.在2015年10%的人口估計有75%的財富

In this chart we see some comparisons with other countries.在這張圖里我們看到一些與其它國家的比較

In contrast to the US, 10% of Japan's population had less than half of the total wealth.與美國相比，日本的10%人口擁有的財富不足總財富的一半

In China, in 2014, the estimated share of the top 10% was 64%, but this number is rising.在中國，2014年最富有的10%人口估計占有比例64%，但這個數(shù)據(jù)正在上升

Russia had the highest concentration of wealth, at over 80%!俄羅斯有最好的財富集中，超過80%

India, which has one of the largest economies, has the largest share of the world's poorest people.印度，最大經(jīng)濟(jì)體之一，有著世界最貧窮人口的最大份額

The share of wealth of its richest 10% is 370 times that of its poorest 10%.它的最富有的10%的財富份額是它的最貧窮的10%的370倍

A major challenge for a government is to improve the living conditions of its citizens.對一個政府主要的挑戰(zhàn)是改善它的公民的生活條件

As we have seen, growing an economy isn't enough.如我們所見，經(jīng)濟(jì)增長是不夠的

Population growth and distribution of wealth are also important factors.人口增長和財富的分布也是重要的因素

Improving education and developing job skills can help people move up in an economy.改善教育和發(fā)展工作技能可以幫助人們在經(jīng)濟(jì)中獲得提升

With better education and training, the poor can increase their ability to get better jobs and raise their income.隨著更好的教育和訓(xùn)練，窮人能增加他們得到更好工作的能力和增加他們的收入

However, taxes are needed to pay for social services, including health and education.然而，稅收是需要支付的社會服務(wù)

Some countries tax the rich at a higher rate than the poor.一些國家向富人收稅比窮人高

However, if taxes are too high, it can discourage investment and risk taking.然而如果稅收太高，它會阻礙投資和冒險

This is because investors won't take risks unless the rewards are high.這是因為投資者不想冒險除非回報很高

So, as you can see, these are complex issues.因此，如你所見，這是復(fù)雜的問題