Spain by "then" will be a depopulated nation dominated by elderly and single people,the country will have lost 5.3million inhabitants,or 11% of the current population,by the middle of the century.If the trends still continue,by then the over 65s will make up 34.6% of the population while close to a quarter of a million Spaniards will be over 100yrs old.By that date there will be 1.7million fewer children than there are now....