See our guide to this week's comprehensive stocktake on the extent of organic and biodynamic viticulture in the world today. See also this relevant thread on our forum.
Monty Waldin writes:
Spain
In terms of percentage of national vineyard devoted to organic, France is in second place behind the world leader Spain, where around 8% of all vineyards were organic in 2011. Half of this comprised vines still somewhere in the three-year conversion process.
Spain's certified organic wine 'boom' (outside Penèdes at least) seems essentially driven by how subsidies were given to those converting to organics (see also Italy, below)...