Gracias al constante aumento de la esperanza de vida, nuestras sociedades asisten a un incremento pronunciado del número de ancianos (más de 80 años): + 17,1 % entre 2005 y 2010, y + 57,1 % entre 2010 y 2030, con lo que llegarán a ser cerca de 34,7 millones, frente a los 18,8 millones, aproximadamente, de ancianos en la actualidad.
With life expectancy increasing all the time, our societies are witnessing the presence of an ever-rising number of very elderly persons (80+): +17.1% between 2005 and 2010, +57.1% between 2010 and 2030. On that timescale, very elderly people would number nearly 34.7 million, compared with approximately 18.8 million today.