The European Union makes two thirds of UK law.
That's about right if you count EU regulations as part of 'UK law'. The EU influence on UK-only laws is about 13%. But this counting exercise doesn't tell us very much.
We've previously pointed out that this kind of counting exercise is, to some extent, meaningless. We may all be equal before the law, but not all laws are created equal; it's hard to say that an EU regulation on the methods of olive oil analysis is as important as an Act of Parliament restructuring the NHS.
But if percentages is the name of the game, we're willing to play.
Another shot fired
The latest figure has been calculated by the campaign group Business for Britain, which says that 64.7% of UK law is influenced by the EU. It offers this as the "definitive" calculation, but also cautions that "any attempt to make sense of the numbers is highly subjective".
To work out the proportion of UK law derived from EU law, you first need to define what you mean by each of those terms, understand the relationship between them, and do some sums. But the House of Commons Library—which has produced analysis relied upon by Business for Britain—warns that "there is no totally accurate, rational or useful way" of making this calculation.
What do we mean by 'law'?
Let's take UK law. We run into immediate complexities, because the devolved legislatures in Northern Ireland, Scotland and Wales all pass laws that apply only in that nation. Likewise, not all law passed by the Westminster Parliament applies to the whole of the UK.
Leaving that aside, there are two main sources of legislation at national level: Acts of Parliament, also known as statutes, and Statutory Instruments (SIs), usually issued by government ministers to flesh out the details of how a statute will work.
There are also various types of EU laws, but for the sake of simplicity we can focus on just two.
One is the "regulation". This applies automatically in all EU member countries—so all EU regulations can be said to be part of UK law. As we'll see, this assumption is important for the end result of any calculation of EU-derived law in this country.
The other main type is the "directive". This sets out a goal for EU member states to achieve, but doesn't prescribe exactly how it's to be achieved. A directive must be implemented by a national law—in the UK, this is generally done by using an SI.
Without counting EU regulations: 13%
The House of Commons Library recently released figures on this issue. The focus was "how much UK legislation implements EU law or other EU obligations" (with the usual, sensible caveat that this is "difficult, and most methods are unreliable").
It arrived at an average, between 1993 and 2014, of 13%.
That definition excludes EU regulations, which don't need additional UK legislation to be implemented.
Counting EU regulations: 65%
Business for Britain built on this by adding EU regulations to the mix. It used the House of Commons Library figures for the number of UK statutes and SIs passed every year, but gave its own figure for the number of EU regulations in existence.
The result was 65%. This was arrived at by dividing the number of EU-related laws (including EU regulations) by the total number of laws (including those same EU regulations)—all between 1993 and 2014.
How many EU regulations exist?
The Business for Britain estimate for the number of EU regulations passed every year is often higher than both the House of Commons Library and the EU calculate. This has the effect of pushing up the final percentage a little.
For instance, in 2009 the Library records there having been 1,329 new EU regulations. This is very close to what the EU's own legislative statistics say (1,284). But Business for Britain has calculated it at 1,664. If we use the Library's figures to calculate the proportion of UK law passed that year with an EU connection, we get 53%—but it's 58% using Business for Britain's numbers.
Business for Britain used the EUR-Lex database of EU law to search for the regulations passed each year. The difficulty of this approach is that, as the report acknowledges, it's tricky to use the database for this purpose. A basic search made today for regulations in 2014 throws up 1,620 results, but Business for Britain has told us that the exact same search made at the time they compiled their report gave them 1,904.
The group has since posted an update discussing these fluctuations, noting that the overall calculation doesn't change much on a renewed search of the database. But the results still seem to include corrections to the original text of regulations, like this one.
So the database numbers aren't as reliable as we might wish.
Counting EU regulations differently: 62%
It may seem surprising that it should be so difficult to get a fix on the number of regulations that exist. This partly reflects the fact that not all of them are particularly important, and partly the flaws of the database—which may be why there are ready-made statistics on the number of laws passed by the EU.
For the record, if we carry out the exercise using those figures (counting all regulations recorded there, including "amending acts") the result is 62.1%.
But we agree with the House of Commons Library that it's a very uncertain exercise. And almost everyone agrees that, whatever the actual percentage, the laws passed at EU level have a significant impact on this country.
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