45+ Customer Service KPI Examples

Evaluate your customer satisfaction rates, response times, and ticket resolutions.

Customer Service illustration

Most Popular Customer Service KPIs

Agent Satisfaction Rate score

The level of satisfaction agents express about their roles, usually gathered through regular surveys.

Agent Utilization Rate %

The percentage of an agent's working time that is spent handling customer interactions.

Comprehensive List of Customer Service KPIs

Call Centre

Call Abandonment Rate %

The percentage of incoming calls that are abandoned by the caller before connecting to an agent.

Call Resolution Rate %

The percentage of calls where the customer's issue is resolved in a single interaction.

Call Service Level %

The percentage of calls answered within a predefined threshold time.

Call Transfer Rate %

The percentage of calls that are transferred to another agent or department.

Call Volume #

The total number of incoming calls to the call center within a given time frame.

Completion Call Rate %

The percentage of calls that are successfully completed without being abandoned or disconnected.

Chat-Based Customer Support

Average Chat Duration time

The average time taken to complete a chat session with a customer, in minutes.

Chat Abandonment Rate %

The percentage of chat sessions initiated by customers that are ended before a resolution.

Chat Completion Rate %

The percentage of chat sessions that reach a resolution compared to those initiated.

Chat Engagement Rate %

The percentage of website visitors or app users who engage in a chat session.

Chat Resolution Time time

The average time taken to resolve a customer's issue or query during a chat session, in minutes.

Chat Transfers #

The number of times a chat session is transferred from one agent to another.

Chat Volume #

The total number of chat sessions initiated within a given time frame.

Chatbot Resolution Rate %

The percentage of chat sessions handled and resolved solely by chatbots without human intervention.

Missed Chats #

The number of chat sessions initiated by customers that received no response from an agent.

Efficiency Metrics

Agent Satisfaction Rate score

The level of satisfaction agents express about their roles, usually gathered through regular surveys.

Agent Utilization Rate %

The percentage of an agent's working time that is spent handling customer interactions.

Escalation Rate %

The percentage of customer service requests that are escalated to higher-level support tiers or management.

First Contact Resolution Rate %

Percentage of customer service interactions that resolved the customer's issue or concern in the initial contact.

First Response Time time

First Response Time is the average amount of time it takes for a customer to receive the first human response to their inquiry.

On-Time Response Rate %

Percentage of customer service requests that were addressed within a predefined acceptable time frame.

Email-Based Customer Support

Email Backlog #

The number of unresolved or unopened emails at any given time.

Email Case Reopen Rate %

The percentage of email cases that were marked as resolved but had to be reopened due to the issue not being adequately addressed.

Email Volume #

Email Volume measures the number of emails or inquiries your team receives via email during a specific time period.

Emails Per Resolution #

The average number of email interactions required to resolve a customer's issue.

Internal Response Time time

The average time taken for one support agent to respond to another agent's internal query or request related to an email case, in minutes.

Missed Emails #

The number of customer emails that were overlooked or not responded to.

Proactive Emails Sent #

The number of emails sent to customers proactively, not as a direct response to a customer's email.

Reply-to-Resolve time

The average time it takes from the initial customer email to the resolution of their query or issue (hours or days).

Satisfaction Metrics

Complaints Received #

The number of complaints lodged by customers within a given time frame.

Compliments Received #

The number of positive feedbacks or compliments received from customers about a service or product.

Customer Callbacks #

The number of times customers request a callback after an initial service interaction.

Customer Satisfaction Score (CSAT) score

Measures the average satisfaction of customers with a particular experience, usually on a scale from 1 (very unsatisfied) to 5 (very satisfied).