How to Set Google Ads Channel Priorities and Allocate Budget by Campaign (2026 Guide)

Google Ads now lets you rank eligible channels as High priority or Low priority, then optionally assign a percentage of a campaign’s average daily budget to each Low-priority channel. High-priority channels receive spend first when a campaign is constrained; Low-priority channels receive what remains. The percentage is a best-effort allocation, not a guaranteed spending cap.

This guide explains the exact account and campaign controls, how the percentages are calculated, how to divide budget between campaigns with Performance Planner, and what changes across Search, Shopping, Performance Max and Demand Gen. The rollout is progressive from October 15, 2026, so the labels and options visible in your account may differ temporarily.

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What channel prioritization controls

Channel prioritization is a spending order inside an individual campaign. It does not replace campaign budgets or bidding targets. When Google’s systems face a budget or target constraint, they first try to spend on channels marked High priority. After that demand is served, any eligible remainder can go to Low priority channels.

All channels are High priority by default. You can move a channel to Low priority when it is exploratory, less valuable, or less urgent than another source of conversions. A Low-priority channel can also receive an optional allocation percentage. Setting that percentage to 0% is Google’s documented method for preventing spend on that channel while keeping it in the prioritization framework.

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These settings operate within one campaign. They do not decide whether Campaign A receives more money than Campaign B. Use Performance Planner for that cross-campaign decision.

How the allocation percentage is calculated

Google calculates an allocation as a percentage of the campaign’s average daily budget, not as a percentage of what the campaign happens to spend on a particular day. Google Ads Help (2026) describes the result as a best-effort aim rather than a hard cap.

For example, 5% of a $1,000 average daily budget equals an intended allocation of $50 per day. Google AI will aim to keep that channel at or below approximately $50 per day under the campaign’s eligibility and delivery conditions. It may not hit that figure exactly, and the setting does not guarantee that the channel will spend or that it can never exceed the intended amount.

• The denominator is the campaign’s average daily budget.
• The setting is an intended limit for a Low-priority channel, not a guaranteed maximum.
• Actual delivery still depends on eligible traffic, targeting, conversion goals, bidding, policy status and the campaign’s overall constraint.
• A percentage does not create extra budget; it only influences how available budget is distributed after High-priority demand is considered.

Choose account defaults or campaign overrides

Use account-level defaults for consistency

Account defaults are appropriate when the same policy should apply across campaigns of a given type—for example, when you always want a prospecting channel to remain secondary until core demand is funded. A default reduces the risk that a newly created campaign uses an unintended priority order.

Use campaign-level overrides for exceptions

A campaign override is better when the campaign has a different business purpose, geography, target, margin profile or risk tolerance. A brand-defense campaign may protect a demand-capture channel, while a separate test campaign can place incremental reach Low priority with a conservative allocation.

Overrides should be deliberate. If a campaign is shared with other campaigns through a shared budget, all campaigns using that shared budget must use identical campaign types for channel-prioritization settings to apply. Review shared-budget relationships before changing a policy.

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Set priorities at the account level

1. Open Google Ads and go to Account settings.
2. Find the Channel Prioritization card.
3. Select the campaign type you want to configure.
4. For each available channel, choose High priority or Low priority.
5. For Low-priority channels, optionally enter an allocation percentage. Use 0% when the documented objective is to prevent that channel from receiving spend.
6. Save the settings.

The campaign-type selector matters because channel names and grouping differ by campaign type. Configure each type separately rather than assuming that a Search policy will carry over to Performance Max or Demand Gen.

Set a campaign-level override

1. Open the campaign whose behavior should differ from the account default.
2. Open the campaign’s Settings.
3. Expand Channel Prioritization.
4. Select the option for a campaign-level override.
5. Assign High or Low priority to the channels exposed for that campaign type.
6. Add allocation percentages to Low-priority channels when an intended limit is useful; enter 0% when spend should be prevented.
7. Save the override and record why it differs from the account policy.

If the card or channel list is absent, the feature may not yet be available for that account, campaign type or rollout stage. Do not infer that an unavailable control is set to a particular value; use the settings currently displayed in the campaign.

Understand channel availability by campaign type

Google’s October 14, 2026 announcement covers Search, Shopping, Performance Max and Demand Gen. The controls are rolling out progressively, and Google says availability varies by account and campaign type.

Grouping is a control limitation, not a reporting error. If several surfaces appear under “Google channels,” one priority applies to that group rather than to each surface independently.

Separate channel priorities from campaign budgets

Channel settings answer “which eligible source should this campaign fund first?” They do not answer “how much should this campaign receive from the account?” For the second question, use Performance Planner.

What Performance Planner can model

Google says Performance Planner models budget and bid-target changes, supports monthly and quarterly planning, and covers Search, Shopping, App, Demand Gen, Local and Performance Max campaigns. It can show scenarios rather than prescribing one universal percentage split.

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Cross-campaign budgeting procedure

1. Define the business outcome: for example, a conversion-volume goal, a conversion-value goal, a target CPA or a target ROAS.
2. Open Performance Planner and select the campaigns and planning period. Use a monthly or quarterly horizon that matches the way your business manages demand.
3. Model alternative budgets and bid targets. Compare predicted conversions or conversion value with the target and the amount of eligible demand.
4. Choose a scenario that funds campaigns meeting the business target while preserving room for controlled tests.
5. Export suggested changes as a CSV if you want an offline review or bulk workflow. Google says the plan can be reviewed or applied in Google Ads Editor, or implemented manually.
6. Within each campaign, mark must-deliver channels High priority. Put exploratory or lower-valued channels Low priority and add a conservative percentage when appropriate.
7. Apply the approved changes, then record the date, campaign budget, priority policy and bid target so later results have a clear baseline.

Do not turn one planner scenario into a universal rule such as “always give Search 70% and Display 30%.” Google’s official guidance does not publish one allocation split for every advertiser. Demand, economics, tracking quality and targets determine whether additional budget is useful.

A practical decision framework for High and Low priority

Start with intent

Give High priority to channels that capture existing, valuable demand when failing to serve that demand has a clear business cost. Use Low priority for incremental-reach experiments, less-proven placements or channels whose marginal return is uncertain.

Check the constraint

Priorities matter most when a campaign is limited by budget or by its CPA or ROAS target. If the campaign is not constrained and every eligible channel can already serve, changing the order may have little immediate effect.

Assess allocation precision

A Low-priority percentage is useful when you want a directional ceiling tied to the campaign budget. It is not suitable as a promise to finance or as a guaranteed daily throttle. If a channel must receive exactly a fixed amount, use a campaign structure and budget that provides that operational control instead of relying on a best-effort percentage.

Verify measurement quality

Prioritization decisions depend on conversion tracking, conversion value, attribution consistency and enough observations to distinguish a real change from normal variance. Fix materially broken tracking before reallocating money based on reported CPA or ROAS.

Recommended implementation sequence

1. Inventory the account. List campaign types, shared budgets, current average daily budgets, targets and the channels visible in each campaign’s settings.
2. Define the protected outcome. Decide which conversions or conversion value must be funded before exploratory reach.
3. Plan at campaign level. Use Performance Planner to model total budget and bid-target scenarios across campaigns.
4. Set account defaults. Apply the policy that should govern most campaigns of each type.
5. Add exceptions. Use campaign-level overrides for different geographies, products, objectives or risk limits.
6. Choose conservative allocations. Add a percentage only when the intended directional limit is clear; use 0% to suppress a Low-priority channel.
7. Publish and monitor. Confirm that the saved settings match the intended order and that shared-budget requirements are satisfied.
8. Review before changing again. Examine spend, conversions, conversion value, CPA or ROAS, impression or eligibility constraints and whether the campaign remains budget-limited.

How to move budget between Search, Shopping, Performance Max and Demand Gen

Moving money between campaigns

Change campaign average daily budgets through the campaign budget controls or through an approved Performance Planner plan. Then revisit channel priorities because the same percentage produces a different intended amount when the denominator changes. For instance, a 5% setting on a $1,000 average daily budget aims at $50 per day; changing the budget changes that intended amount even if the percentage stays at 5%.

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Rebalancing within a campaign

Use Channel Prioritization rather than creating an arbitrary account-wide split. Protect the channel group that must deliver, place secondary sources Low priority, and add a percentage only when the best-effort nature is acceptable.

When grouped channels are the problem

Performance Max and Demand Gen group multiple Google surfaces together. If the business question requires separate priorities for Search, YouTube, Maps, Gmail and Discover, the grouped control cannot provide that granularity. Consider whether a campaign type with separately exposed channels better matches the measurement and control requirement, while recognizing that changing campaign structure also changes reach and learning conditions.

Rollout dates and the Search Display Expansion transition

Progressive availability for the documented campaign types begins October 15, 2026. Check the controls visible in your own account before writing procedures for a team, because two accounts can temporarily show different options during the rollout.

For Search campaigns that still have Display Network expansion enabled without explicit channel settings, Google says the existing behavior continues until February 2027. After that point, the current Display Expansion setup goes away. Before the transition, review Search campaigns that rely on that setting, decide whether Display should remain High or Low priority, and document the intended replacement behavior using the controls your account exposes.

Monitor results without overreacting

After a priority or budget change, compare the same business metrics that justified the change: spend by campaign and channel where reported, conversions, conversion value, CPA or ROAS, and budget-limited status. Also check whether the supposedly protected channel actually had eligible demand and whether the Low-priority channel’s intended percentage was directionally respected.

• Keep the comparison window consistent with the conversion lag of the account.
• Annotate major budget, bid-target, creative, feed and tracking changes.
• Judge channel quality with the same conversion action and attribution settings used in the planning decision.
• Increase budget only when the campaign is meeting its target and additional eligible demand exists.
• If performance deteriorates, first determine whether the cause is insufficient demand, a target constraint, tracking, policy or the priority order itself.

Common failure modes and fixes

The percentage is treated as a hard cap

Symptom: stakeholders expect an exact daily maximum. Fix: describe the value as a best-effort allocation based on average daily budget, and validate actual delivery rather than promising a precise ceiling.

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A priority change appears to do nothing

Symptom: spend and results are unchanged. Fix: check whether the campaign was budget- or target-constrained, whether both channels had eligible demand, and whether the account has the feature enabled for that campaign type.

The desired channel is missing

Symptom: Search, YouTube or another surface cannot be selected independently. Fix: identify whether the campaign type groups it under “Google channels.” Use the available grouping, or evaluate a campaign structure that exposes the required separation.

Shared-budget campaigns reject the setting

Symptom: the policy cannot be applied consistently. Fix: inspect the shared budget and ensure campaigns using it have identical campaign types, as required for these settings.

Display behavior changes unexpectedly

Symptom: a Search campaign’s former Display Expansion workflow no longer matches the interface. Fix: check the rollout status and prepare for the February 2027 change by setting an explicit priority policy where available.

When to use Google Ads Editor or expert help

Google Ads Editor is a no-cost downloadable application for offline work and bulk changes. It is useful for reviewing and posting budget edits exported from Performance Planner, especially when many campaigns need the same documented change. Validate the final settings in the online account after posting.

Google also presents Google Ads experts as a setup and media-planning path. If you use outside help, provide the business target, conversion definitions, shared-budget map, channel policy, rollout date and approval limits so the resulting plan can be audited.

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