Restrictive laws do not reduce abortion

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So says the byline of an article in The Economist from last week.  It makes the case that for those of us who desire to see abortion numbers drop (I think we're pretty much all in that category), legislation is not a tool that anyone should expect to be effective for achieving that outcome:

[According to] the largest global study of abortion ever...Restricting abortions...has little effect on the number of pregnancies terminated. Rather, it drives women to seek illegal, often unsafe backstreet abortions leading to an estimated 67,000 deaths a year. A further 5m women require hospital treatment as a result of botched procedures.

In Africa and Asia, where abortion is generally either illegal or restricted, the abortion rate in 2003 (the latest year for which figures are available) was 29 per 1,000 women aged 15-44. This is almost identical to the rate in Europe—28—where legal abortions are widely available. Latin America, which has some of the world's most restrictive abortion laws, is the region with the highest abortion rate (31), while western Europe, which has some of the most liberal laws, has the lowest (12).

Between 1995 and 2005, 17 nations liberalised abortion legislation, while three tightened restrictions. The number of induced abortions nevertheless declined from nearly 46m in 1995 to 42m in 2003, resulting in a fall in the worldwide abortion rate from 35 to 29. The most dramatic drop—from 90 to 44—was in former communist Eastern Europe, where abortion is generally legal, safe and cheap. This coincided with a big increase in contraceptive use in the region which still has the world's highest abortion rate, with more terminations than live births.