# Amazon SQS quotas
<a name="sqs-quotas"></a>

This topic explains the quotas and limitations for Amazon SQS FIFO and standard queues, detailing how they impact queue creation, configuration, and message handling. Learn about constraints like message retention limits, in-flight message caps, and throughput thresholds, as well as strategies to maximize efficiency through batching, API call optimization, and long polling. This topic also covers naming conventions, tagging rules, and methods for requesting quota increases to meet high-demand workloads, ensuring effective queue management and optimal performance.

# Amazon SQS FIFO queue quotas
<a name="quotas-fifo"></a>

## Amazon SQS quotas
<a name="quotas-fifo-queues"></a>

The following table lists quotas related to FIFO queues.

[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/quotas-fifo.html)

# Amazon SQS standard queue quotas
<a name="quotas-queues"></a>

The following table lists quotas related to standard queues.

[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/quotas-queues.html)

# Amazon SQS message quotas
<a name="quotas-messages"></a>

The following table lists quotas related to messages.

[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/quotas-messages.html)

# Amazon SQS policy quotas
<a name="quotas-policies"></a>

The following table lists quotas related to policies.


| Name | Maximum | 
| --- | --- | 
| Bytes | 8,192 | 
| Conditions | 10 | 
| Principals | 50 | 
| Statements | 20 | 
| Actions per statement | 7 |