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This map report is part of our Referendum 2017 coverage, spotlighting controversial independence votes in two of the world’s autonomous regions: Kurdistan voted for independence from Iraq last month, and Catalonia tried to vote on leaving Spain on Oct. 1. Now we’ve mapped out Catalonia’s results in detail based on data from the regional government.
 

Controversial Independence Vote

On October 1, Spain’s autonomous region of Catalonia tried to hold a referendum on independence from Spain. After Spanish courts ruled the vote illegal, Spanish national police attempted to prevent voting, and the result was that voting was disrupted in many areas and not organized properly in most others. Still, Catalan government data states that some 42% of the region’s residents came out to vote anyway, and of those who did, about 90% voted in favor of secession. Though Catalonia’s president had promised to declare independence within 48 hours of a YES victory, so far he’s delayed doing so.

Important Note: Because Catalonia’s government encouraged voters to evade police disruptions by voting outside of their home municipalities if necessary, many smaller towns registered more votes than their total number of residents. That also means these maps should be seen more as a picture of people who voted in each municipality than of people who live in that municipality.

Municipalities are grouped by the thicker lines into county-like comarques. You can find the names of the comarques on this reference map.

Which parts of Catalonia supported independence the most, and least?

The above map shows how pro-independence voting varied between Catalonia’s 948 municipalities. Though Spanish police or other opponents managed to shut down some polling stations (shown in gray), most municipalities registered large proportions of ballots answering YES to the question, “Do you want Catalonia to become an independent state in the form of a republic?” In fact, no municipality’s votes came in with less than 64% in favor of independence.

Rural areas tended to register higher proportions of YES votes than urban areas, with concentrations of NO votes clustered in two key areas: (1) the suburbs of Barcelona, Catalonia’s largest city and most diverse area, and (2) the Aran Valley at Catalonia’s northwestern tip, an isolated area separated from the rest of Catalonia by the Pyrenees Mountains, where people traditionally speak a language called Aranese instead of Catalan. These larger patterns support the common wisdom that support for Catalan independence comes mainly from people who speak the Catalan language.

There were ten municipalities where YES to independence received a whole 100% of the vote. Meanwhile, the two towns standing out in bright red, for low proportions of YES votes, are Borredà in the north and Palau-solità i Plegamans in the south. Here are the municipalities with the highest and lowest proportions of votes for independence:

Where in Catalonia was voter turnout highest, and lowest?

As seen in the yellow-shaded map above, voter turnout varied across Catalonia’s municipalities, ranging from zero turnout where polling stations were shut down, all the way up to…well, over 700%. Though some opponents of the referendum have jumped on these figures as evidence of election fraud, turnout of over 100% was actually expected in many municipalities because of the unusual structure of the referendum. Anticipating police interference, Catalonia’s government allowed people to vote at any polling station where they were able to, even outside their home municipality. As such, voter turnouts over 100% neither prove nor disprove accusations of vote rigging or multiple voting by pro-independence activists.

There were 13 municipalities where voting never occurred at all, shown in pure white on the above map. According to the Catalan government, these are municipalities where “voting was not possible because of police action,” though it’s not clear how much effort was really made to hold the vote in the Aran Valley at Catalonia’s northern tip, where support for independence is reportedly very low.

As with high proportions of YES votes in the previous map, areas of low voter turnout are clustered around urban areas and the Aran Valley, though in this case stretch out more uniformly across much of the coast, and are just as prevalent in the Tarragona area as in Barcelona. Meanwhile, high turnout was the norm across much of Catalonia’s rural interior. Here are the municipalities with the highest and lowest turnout, other than those where polling places were closed:

Note that some of the municipalities with over 100% turnout are located near towns where voting was completely shut down. This could be the result of people blocked from voting traveling to nearby municipalities to cast their ballots. Of course, the magnitude of an effect like that might vary depending of whether neighboring municipalities have comparatively large or small populations to begin with. Which brings us to our next map…

How many voters live in Catalonia’s municipalities?

Voter turnout is calculated by dividing the total number of ballots cast by the number of eligible voters who live in an area. And as seen in this map, the reported eligible voting population of Catalonia’s municipalities varies immensely, from as few as 25 people in tiny Sant Jaume de Frontanyà to as many as 1.14 million in Barcelona proper.

Comparing with the previous maps, we can see that both low voter turnout and low proportions of votes for independence generally correlate to highly populated areas, while high turnout and high rates of YES votes correlate with less-populated areas (the city of Girona is a notable exception, with a high population and relatively low voter turnout, but a very high proportion of support for independence).

It’s also clear that municipalities reporting voter turnout over 100% are mostly low-population areas. In fact, nearly all of them reported eligible voter populations of under 500 people. Notable exceptions – and the only ones with voter populations over 1,000 – are Polinyà (5,910 people / 173% turnout), Palau-solità i Plegamans (10,891 people / 142% turnout), and Sant Quirze del Vallès (14,531 people / 109% turnout). These three municipalities are visible in the yellow voter turnout map as the three over-100% turnout areas closest to Barcelona, all located near each other on the edges of the highly-populated metropolitan area.

This is consistent with the hypothesis that turnout over 100% was due mainly to voters flooding out of high-population areas and into low-population areas to cast their ballots. And in fact, a close examination of the maps shows that nearly all of the over-100% turnout municipalities directly border other municipalities with lower turnout (or no voting at all) and significantly higher populations.

Of course, low turnout across Catalonia as a whole begs the question, if we include people who didn’t leave home, what proportion of Catalans actually cast ballots for independence?

How many of each municipality’s people actually voted for independence?

This map, a kind of special hybrid between the YES/NO map and the voter turnout map, shows YES votes as a proportion of each municipality’s total eligible voters, rather than of valid ballots cast. If every voter had cast ballots within their home municipality, you could think of it as showing the minimum actual support for independence in each area, as if non-participants in the referendum had all voted NO. Of course, we shouldn’t assume that all non-voters are against independence – even determined pro-independence voters were sometimes prevented by police from casting ballots – but it’s likely that quite a lot of opponents sat this out, and we certainly can’t assume the opposite.

Yet as we’ve seen above, the movement of voters to other municipalities makes the situation more complicated: We can’t really determine how many people supported independence in a municipality that was flooded with 400% voter turnout from other regions, to say the least.

Still, major differences from the results map at the beginning of the article reveal some interesting patterns. For one thing, it’s clear from this map that we can’t assume a majority of Catalans actually support independence: In the highly-populated areas along the coast and around major cities, the total number of YES votes for independence was often much less than half the total number of eligible voters. Even many of the rural central municipalities show proportions not much over half, if that.

In fact, many geographical areas lost in the dark blue YES votes of the first map come out looking decidedly lukewarm about independence here, including the the area near Catalonia’s northeastern border with coastal France, as well as clumps along the boundaries of the Spanish regions of Aragon to the west and Valencia to the south. And that’s not to mention a smattering of new red spots peppered across Catalonia’s rural interior.

But while we’re on the topic of the many Catalans who don’t support independence, let’s look at one last map…

Where in Catalonia did people cast blank ballots?

During the lead-up to Catalonia’s attempted referendum, it was well-documented that many Catalans – including the mayor of Barcelona – strongly supported having a vote even though they opposed independence. Polls earlier this year put support for independence at just under 50%, while support for holding a referendum was over 70%. So it stands to reason that many anti-independence residents still made an effort to get out and vote NO.

But what about undecided voters, who neither supported nor opposed independence but felt strongly about their right to vote on it? These people may have been largely responsible for the referendum’s many reported blank votes – ballots cast without marking either the YES or the NO option on independence. And rates of blank voting varied significantly between municipalities.

In our earlier article on larger-scale referendum results, we reported that the greater Barcelona region had a much higher rate of blank votes than other regions, averaging 2.6% compared to between 1.2% and 1.6% for other regions. That’s hard to see on the municipalities map, probably because high rates of blank votes in the Barcelona region were concentrated in just a few very high-population areas (recall that the city of Barcelona, which registered just over 3% blank votes, has a population of over one million).

Variation in blank voting rates across central Catalonia don’t seem to match up with any patterns from the other maps, and may be just statistical noise related to the very small populations of many rural municipalities. Tellingly, the three municipalities colored in darkest purple, for very high rates of blank votes, all have eligible voter populations of less than 150 people, with just three to six total blank ballots cast in each one. If just one person chose not to vote blank in these municipalities, the rate would see a major drop.

It seems the main takeaway is that blank voting was a phenomenon mainly in Barcelona, more than in any other part of Catalonia. Perhaps this was a reaction to violent police crackdowns that took place in the city, or just part of the capital’s specific political culture. Interestingly, Barcelona proper also had a relatively high rate of support for independence among participating voters compared to neighboring suburbs. Meanwhile, the cities of Lleida and Girona had rates of blank votes similar to the neighboring countryside, despite registering less overall support for independence.

Learn More: What is Catalonia, and why would it want independence?

Stay tuned to PolGeoNow and the PolGeoNow Twitter feed for more updates on Catalonia’s push for independence, plus new developments around the Kurdistan referendum in Iraq. Click here to view all Referendum 2017 articles.

Updated! This article’s maps and text have been updated with final results released by the Catalan government. See below for more details. We also now have an article with detailed results maps broken down by municipality.

This map report is part of our Referendum 2017 coverage, spotlighting controversial independence votes in two of the world’s autonomous regions: Kurdistan voted for independence from Iraq last week, and Catalonia voted to leave Spain this weekend. Now detailed results are available, and we’re working on getting them mapped out.

Maps by Evan Centanni, starting from blank map by Vinals and Rwxrwxrwx. License: CC BY-SA

Catalonia Independence Vote (Updated)

Detailed, final results are now available for Catalonia’s controversial referendum on independence from Spain. The vote was widely disrupted by the Spanish police after courts ruled it illegal, resulting in massive irregularities that will make it hard for outsiders to accept as a proper democratic referendum. Still, some 43% of eligible Catalan voters reportedly made it out to cast ballots, meaning there’s plenty of reported data to look at.

These maps, originally published two days ago based on preliminary results and estimates of voter turnout, have now been updated with the final data from the Catalan government. The final results showed no change in support for independence significant enough to effect our map. However, we decided to re-do the map using the Catalan government’s official method of calculating the percentage, which excludes spoiled ballots from the total votes (the original map included these so-called “null votes” in the total votes when calculating the percentage of YES votes). This method results in slightly higher figures for all regions. We also changed the color of the region labels, because they were hurting our eyes.

The voter turnout map, originally based on estimates of eligible voters drawn from 2015 election data, has also been updated with official figures. The only two changes: Tarragona had a slightly lower voter turnout rate than we estimated, and Lleida had a somewhat higher turnout than our estimate. Click here to compare the original maps with the new versions.

Who voted for independence?

Support for independence among those managed to vote was very high, with 90% of valid votes and 89% of total ballots cast. This is unlikely to represent the actual proportion of the Catalan population that supports independence, since polls earlier this year showed the region split roughly half and half over the question. On the other hand, about three-quarters of Catalans supported the idea of at least voting on it, and after the Spanish government’s heavy-handed crackdown, it’s likely that independence has only gotten more popular.

Catalonian independence flag.   (Graphic by Huhsunqu. CC BY-SA; source)

As seen on the left-hand map above, independence received the highest percentage of votes in Girona and the rural Catalunya Central – the referendum passed by nearly 95% in both areas. Meanwhile, in Barcelona, Catalonia’s capital and largest city, support was significantly lower, but still reached about 88% among those who voted. Barcelona is a large, diverse city, and many residents may be immigrants from other parts of Spain who don’t buy into the idea of Catalonia as a separate country.

How many people showed up to vote?

The Catalan government’s official voter turnout figures have been a matter of some controversy, since the referendum was carried out without access to the official Spanish voter rolls, amid police attempts to confiscate the regional government’s own records. In addition, to avoid the police crackdown on polling stations, residents were encouraged to vote anywhere in Catalonia that they could, even though they would normally have to go to a polling station in the municipality where they were registered. This resulted in some municipalities’ total ballot counts being higher than their actual population of eligible voters – fueling accusations of fraud by the referendum’s opponents.

But that doesn’t stop us from doing an analysis of the claimed data. As seen on the right-hand map above, turnout was highest in Catalunya Central, and lowest in Tarragona and Barcelona – the same two regions that had the lowest support for independence.

And in fact, when we graphed out voter turnout versus YES votes, there does appear to be a correlation: In general, the higher voter turnout was in a given region, the more people there voted for independence (and vice versa).

Maybe this should be no surprise: It’s likely that many opponents of Catalan independence didn’t feel motivated to defy the Spanish government by voting. After all, the police were taking the opponents’ side by trying to shut down the vote and prevent independence. So you might indeed expect that people in pro-independence places would have come out to vote in bigger numbers, while people in less separatist areas would stay home.

Interestingly though, the less-separatist, low-turnout Barcelona region also had by far the highest rate of blank votes. Some 33,000 people, or 2.3% of participating voters in the metro area, didn’t write anything on their ballots – that’s compared to 1.2% to 1.6% for other areas. Given the major police efforts to block people in Barcelona from voting, it’s hard to imagine that truly unenthusiastic voters would have made it to the ballot boxes. But these blank votes could represent people who wanted defy the police crackdown by voting out of principle, even if they were undecided about actual independence.

Want to see the picture in more detail? Check out our new article with municipality-level results maps for the Catalan referendum!

Learn More: What is Catalonia, and why would it want independence?

Stay tuned to PolGeoNow and the PolGeoNow Twitter feed for more updates on Catalonia’s independence vote, plus new developments around the Kurdistan referendum in Iraq. Click here to view all Referendum 2017 articles. 


Graphic of current Catalan flag by Wikimedia Commons user Martorell (License: CC BY-SA; source).