What is a journal entry in accounting?

A journal entry is a formal record of a financial transaction that documents the accounts affected, the debit and credit amounts, the transaction date, and a description. It follows the double-entry bookkeeping principle where total debits must equal total credits. Journal entries are the foundational records that flow into the general ledger and financial statements.

What is the difference between a debit and a credit in a journal entry?

Debits increase asset and expense accounts while decreasing liability, equity, and revenue accounts. Credits do the opposite. In a journal entry, every debit must have an equal and offsetting credit. For example, recording a business meal debits the meals expense account (increasing it) and credits cash or the corporate card payable (decreasing cash or increasing the liability).

How do journal entries work for travel expenses?

Travel expenses generate journal entries that debit specific expense accounts (airfare, hotel, meals, ground transport) and credit either cash, accounts payable, or a corporate card liability account. Navan automates this process by mapping booking and card transaction data directly to the correct GL accounts and cost centers, eliminating manual keying and reducing mispostings.

What is an adjusting journal entry?

An adjusting entry corrects timing differences at the end of an accounting period. Common examples include accruing travel expenses incurred but not yet reported, recognizing prepaid expenses that have been consumed, and recording depreciation. These entries ensure financial statements reflect the actual economic activity of the period.

How many journal entries does a typical company process monthly?

The volume varies widely by company size and complexity. Mid-market companies typically process 500-2,000 journal entries per month, while large enterprises can generate tens of thousands. Travel-heavy organizations tend to have higher volumes because each trip produces multiple line items across several expense categories.

Can journal entries be automated?

Yes. Recurring entries (payroll, rent, depreciation) and transaction-driven entries (T&E, corporate card) are strong automation candidates. Navan integrates with major accounting platforms to generate journal entries automatically from travel bookings and expense submissions. Automated entries reduce error rates from 2-5% to under 0.5% and free accounting teams for higher-value work.

What happens if a journal entry is wrong?

An incorrect journal entry distorts the affected accounts and, if not caught, flows through to financial statements. The correction method depends on timing: entries caught before posting are simply corrected; entries caught after posting require a correcting journal entry that reverses the error and records the correct amounts. Regular reconciliation catches most errors before the close.

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Journal Entry

A journal entry is a formal record of a financial transaction in a company's accounting system, documenting the accounts affected, the debit and credit amounts, the date, and a description of the transaction to maintain an accurate and balanced general ledger.

Victoria Landsmann

•May 31, 2026•

5 minute read

Key Takeaways

A journal entry is the fundamental building block of double-entry bookkeeping. Every financial transaction a company records starts as a journal entry that specifies which accounts are debited, which are credited, and why the transaction occurred.

According to the 2026 R2R Efficiency Mirage report, 84% of organizations cite journal entries as their largest source of manual effort during the financial close process [1].
Only 2% of organizations have achieved a fully automated end-to-end close, even though automation can reduce journal entry error rates from 2-5% (manual) to 0.1-0.3% [1][2].
Navan automates travel and expense journal entries by mapping booking and card transaction data directly to the correct general ledger accounts and cost centers.
Companies processing 500-2,000 journal entries monthly can compress month-end close from 10-15 days to 3-5 days through automation, reducing close-related labor costs by 40-60% [2].
Every journal entry must balance: total debits must equal total credits. An unbalanced entry signals an error that, if uncorrected, will distort financial statements.

What is a Journal Entry?

A journal entry is a formal accounting record that documents a single financial transaction in a company's books. Each entry captures the date, the accounts affected, the monetary amounts debited and credited, and a brief description of what the transaction represents.

Journal entries follow the double-entry bookkeeping principle: every transaction affects at least two accounts, and the total debits must equal the total credits. When an employee submits a $500 travel expense reimbursement, for example, the accounting system records a debit to the travel expense account (increasing the expense) and a credit to cash or accounts payable (decreasing cash or increasing the liability).

The journal is sometimes called the "book of original entry" because it captures transactions before they post to the general ledger. From there, journal entries flow into trial balances and ultimately into the financial statements that investors, auditors, and regulators rely on.

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Components of a Journal Entry

Every properly formatted journal entry contains five elements. Missing any one of them creates audit risk and reconciliation problems.

Component	Purpose	Example
Date	Establishes when the transaction occurred for period-correct reporting	2026-05-15
Account names	Identifies which general ledger accounts are affected	Travel Expense (debit), Cash (credit)
Debit amount	The value added to the debit side of the entry	$500.00
Credit amount	The value added to the credit side (must equal total debits)	$500.00
Description/memo	Explains the business purpose of the transaction	"Employee reimbursement — client visit to Chicago, May 12-14"

The description field matters more than most teams realize. During audits, vague descriptions like "misc expense" force auditors to trace back to source documents. Specific descriptions like "Q2 conference registration — GBTA Orlando" reduce audit time and demonstrate clear business purpose.

Types of Journal Entries in Business Accounting

Not all journal entries serve the same function. Understanding the types helps finance teams design efficient workflows.

Standard (recurring) entries. Transactions that repeat on a predictable schedule: monthly rent, payroll, subscription fees, depreciation. These are prime candidates for automation because the accounts and amounts follow a known pattern.

Adjusting entries. End-of-period entries that correct timing differences. Accrued expenses (salaries earned but not yet paid), prepaid expenses (insurance paid in advance), and expense accruals for travel incurred but not yet reported all require adjusting entries before closing the books.

Reversing entries. Optional entries made at the start of a new period that reverse an adjusting entry from the prior period. They simplify the recording of the actual transaction when it occurs. For example, reversing a travel accrual at month-start so the actual expense report can post cleanly when submitted.

Compound entries. Entries with more than two line items. A single business trip might generate a compound journal entry with debits to airfare, hotel, meals, and ground transportation accounts, all offset by a single credit to the corporate card liability account.

Closing entries. Year-end entries that zero out revenue and expense accounts and transfer the net balance to retained earnings. These entries reset the income statement accounts for the new fiscal year.

How Journal Entries Connect to Travel and Expense Management

Travel and expense transactions generate a high volume of journal entries, and these entries are among the most error-prone because they involve variable amounts, multiple expense categories, and cost center allocations that change with every trip.

A single business trip can produce five to ten line items: airfare, hotel, meals, ground transportation, conference fees, and incidentals. Each line must map to the correct GL account and cost center. When employees file expense reports manually and accounting teams key entries by hand, errors multiply.

Common T&E journal entry errors include miscoded expense categories (a meal coded as transportation), incorrect cost center assignments (charging a marketing trip to engineering's budget), and duplicate entries from submitting both a receipt and a corporate card transaction for the same purchase.

Why Automating Journal Entries Matters for Financial Close

The financial close process depends on accurate, timely journal entries. When entries are manual, the close slows down and error rates climb.

The numbers are stark. The 2026 R2R Efficiency Mirage report found that 92% of organizations carry significant manual effort in their record-to-report cycle, with journal entries cited as the single largest manual burden by 84% of respondents [1]. Meanwhile, organizations that automate journal entry creation and posting report error rate reductions from 2-5% down to 0.1-0.3% [2].

For T&E-heavy organizations, the impact is even more pronounced. Automated integration between travel booking platforms, corporate card systems, and accounting software eliminates the manual data entry step entirely. When an employee books a flight, the system creates the corresponding journal entry automatically: debit to the appropriate travel expense account, credit to the corporate card liability, tagged to the correct cost center and project code.

This automation doesn't just save time. It also enables continuous close practices, where journal entries post in real time throughout the month rather than batching at month-end. Organizations practicing continuous close report financial close cycles of 3-5 days versus the 10-15 day average for manual teams [2].

Best Practices for Journal Entry Management

Standardize the chart of accounts. A clean, well-structured chart of accounts ensures journal entries post to the right accounts consistently. When the chart is bloated with redundant accounts or inconsistently named, mispostings become routine.

Require meaningful descriptions. Enforce a minimum level of detail in the memo field: date, business purpose, and relevant identifiers (trip ID, vendor name, project code). This reduces audit time and makes expense reconciliation faster.

Automate recurring and T&E entries. Any entry that follows a predictable pattern (monthly accruals, depreciation, payroll) should be automated. For travel expenses, integrating booking and card data with the accounting system eliminates manual keying entirely.

Implement segregation of duties. The person who creates a journal entry should not be the same person who approves and posts it. This control prevents fraud and errors from flowing into the general ledger unchecked.

Review exception entries monthly. Manual and adjusting entries carry higher error risk than automated standard entries. Flagging all non-standard journal entries for review during the close process catches errors before they affect financial statements.

General Ledger: The master accounting record where journal entries are posted and organized by account, forming the basis for trial balances and financial statements.
Expense Accrual: An adjusting journal entry that records expenses incurred but not yet paid or invoiced, ensuring costs appear in the correct accounting period.
Financial Close: The end-of-period process of finalizing all journal entries, reconciling accounts, and producing financial statements that accurate journal entries make possible.

Sources

[1] Redwood Software, "2026 R2R Efficiency Mirage Report," 2026. https://www.prnewswire.com/news-releases/the-cfo-blind-spot-92-still-rely-on-manual-efforts-to-close--despite-the-potential-to-automate-302715507.html

[2] ProcIndex, "Financial Close Automation: Complete Guide for CFOs," April 2026. https://procindex.com/blog/2026-04-15-financial-close-automation-complete-guide

Frequently Asked Questions About Journal Entries

A journal entry is a formal record of a financial transaction that documents the accounts affected, the debit and credit amounts, the transaction date, and a description. It follows the double-entry bookkeeping principle where total debits must equal total credits. Journal entries are the foundational records that flow into the general ledger and financial statements.
Debits increase asset and expense accounts while decreasing liability, equity, and revenue accounts. Credits do the opposite. In a journal entry, every debit must have an equal and offsetting credit. For example, recording a business meal debits the meals expense account (increasing it) and credits cash or the corporate card payable (decreasing cash or increasing the liability).
Travel expenses generate journal entries that debit specific expense accounts (airfare, hotel, meals, ground transport) and credit either cash, accounts payable, or a corporate card liability account. Navan automates this process by mapping booking and card transaction data directly to the correct GL accounts and cost centers, eliminating manual keying and reducing mispostings.
An adjusting entry corrects timing differences at the end of an accounting period. Common examples include accruing travel expenses incurred but not yet reported, recognizing prepaid expenses that have been consumed, and recording depreciation. These entries ensure financial statements reflect the actual economic activity of the period.
The volume varies widely by company size and complexity. Mid-market companies typically process 500-2,000 journal entries per month, while large enterprises can generate tens of thousands. Travel-heavy organizations tend to have higher volumes because each trip produces multiple line items across several expense categories.
Yes. Recurring entries (payroll, rent, depreciation) and transaction-driven entries (T&E, corporate card) are strong automation candidates. Navan integrates with major accounting platforms to generate journal entries automatically from travel bookings and expense submissions. Automated entries reduce error rates from 2-5% to under 0.5% and free accounting teams for higher-value work.
An incorrect journal entry distorts the affected accounts and, if not caught, flows through to financial statements. The correction method depends on timing: entries caught before posting are simply corrected; entries caught after posting require a correcting journal entry that reverses the error and records the correct amounts. Regular reconciliation catches most errors before the close.