Other countries, however, saw larger shifts. The tax wedge in Hungary dropped 5.5 percentage points, from 54.5% in 2007 to 49.0% in 2014. Ireland's tax burden increased by 6.0 points, from 22.2% to 28.2%.

然而，其它国家的这一数据有较大变化。匈牙利的税收楔子从2007年的54.5%下降到2014年的49.0%，降幅为5.5%。爱尔兰的税收楔子则上涨了6个百分点，从22.2%上升到28.2%。

The OECD notes that changes in tax wedges in recent years have less to do with changes in actual statutory tax rates, and instead with shifting income distributions: Countries with rising wages will also see rising tax burdens, as workers move away from government support and into higher income-tax brackets.

经合组织指出，近年来税收楔子的变化和实际法定税率变化关系不大，倒是与收入分配的改变有关：工资上涨会导致税负增加，因为工人收入将超出低收入免税额度，进入更高的课税档次。

Here's how the tax wedge for an average full-time single worker has grown or shrunk in each OECD country between 2007 and 2014. The chart also shows how different countries' tax burdens as a percentage of income compare to each other.

下图为OECD各国在2007-2014年期间，普通单身全职工人的税收楔子的变化情况。它还显示了各国之间，税负占收入比例的不同。

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