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27: The number of European Union member states from January 1, 2007, in the event of Bulgarian and Romanian membership being approved on Tuesday.
6: The number of original members of the European Economic Community, the forerunner of the EU, founded in 1957 by Germany, France, Italy, Luxembourg, Belgium and the Netherlands.
20: The number of official languages recognized by the EU.
461.5 million: The current population of the EU member states.
30 million: The combined population of Romania (22 million) and Bulgaria (8 million).
46,000: The number of Bulgarians likely to seek work elsewhere in the EU following membership, according to Bulgarian Labor Ministry predictions, with Germany and Spain the likeliest destinations for migrant workers.
12: The number of member states that use the European single currency, the euro, introduced on Jan. 1, 2002.
1,503 euros: The minimum monthly wage in Luxembourg, according to the latest European Union Labour Force Survey.
82 euros: The minimum monthly wage in Bulgaria, according to the same figures.
A Bulgarian man and woman use their donkey and cart to transport wood in mountains south of Sofia.