Classify the following information as 'PII' or 'not PII' : Social Security Number, Home Address, Age, Number of Employees, City Population, Gender, Business Phone
Social Security Number - PII
Home Address - PII 
Age - PII
Number of Employees - Not PII
City Population - Not PII
Gender - Not PII 
Business Phone - Not PII
Instruction: Classify the following information as 'PII' or 'not PII' : Social Security Number, Home Address, Age, Number of Employees, City Population, Gender, Business Phone
Context: 
Response: Social Security Number - PII
Home Address - PII 
Age - PII
Number of Employees - Not PII
City Population - Not PII
Gender - Not PII 
Business Phone - Not PII