Today is December 1, and here are the numbers for November. December numbers might be low, due to the travel of Mette-Marit as well as Mary’s pregnancy and Christmas holidays all around.
Alphabetically.
Name: Camilla, The Duchess of Cornwall,
Claim to Fame: married to the Prince of Wales.
Age: 63
Population size of the UK: Roughly 62 millions.
Number of total engagements: 30
Number of solo engagements: 22
18/62 = 0.48
Name: Daniel, Prince of Sweden, Duke of Västergötland.
Claim to Fame: Married to the Crown Princess of Sweden
Age: 37
Population size of Sweden : Roughly 9.3 millions
Number of total engagements: 8
Number of solo engagements: 0
8/9.3= 0.86
Name: Letizia, Princess of Asturias
Claim to Fame: Married to the Prince of Asturias
Age: 37
Population size of Spain : 46 millions
Number of total engagements: 17
Number of solo engagements: 2
Dividing: 17/46 = 0.36
Name: Mary, Crown Princess of Denmark, Countess of Monpezat
Claim to Fame: Married to the Crown Prince of Denmark
Age: 38
Population size of Denmark : Roughly 5.5 millions
Number of total engagements: 6
Number of solo engagements: 4
Dividing: 6/5.5=1.09
Presumably went on maternity leave by the middle of the month.
Name: Princess Mathilde, Duchess of Brabant
Claim to Fame: Married to the Duke of Brabant, heir to the Belgian throne.
Age: 37
Population size of Belgium : 10.8 millions
Number of total engagements: 7
Number of solo engagements: 5
Dividing: 7/10.8=0.64
Name: Princess Máxima
Claim to Fame: Married to the Prince of Orange
Age: 39
Population size of The Netherlands : 16.6 millions
Number of total engagements: 16
Number of solo engagements: 15
Dividing: 16/16.6= 0.96
Name: Mette-Marit, Crown Princess of Norway
Claim to Fame: Married to the Crown Prince of Norway
Age: 36
Population size of Norway: 4.8 millions
Number of total engagements: 8
Number of solo engagements: 4
Dividing: 8/4.8=1.66
Announced in November that she and her husband would be taking the children on a two month long trip.