Referring to population pyramid of Spain how would the shape of pyramid change in 20 years and what problem would the population face then 15 or 10 points Please help mark brainliest need answer quick

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 century.If the trends continue,by then the over 65s will make up 34.6% of the population, while close quarter of a million Spaniards will be over 100yrs old.By that date there will be 1.7million fewer children under 10 than there are now

the answer will be b