What it is
Backlog refers to the total value of customer orders or contracts that a company has received and officially booked but has not yet delivered or recognized as revenue. It represents future work that a company is committed to completing. For industries with long project cycles, such as construction, aerospace, or large enterprise software, backlog is a crucial indicator of future revenue stability and operational activity.
Investors monitor a company's backlog to gauge its future revenue visibility and operational capacity. A growing backlog generally indicates strong demand and provides a buffer against economic slowdowns, suggesting stable future earnings. Conversely, a shrinking backlog can signal weakening demand or increased competition. Analysts often discuss backlog figures during earnings calls to assess a company's ability to convert these orders into recognized revenue and sustained profitability.
Why it matters
Backlog provides insight into a company's future revenue visibility and demand. A strong, growing backlog suggests stable future earnings and operational health.
Reviewed under editorial standardsUpdated September 26, 2026Not investment advice