Inflation is not just an economic statistic, it is something every Kenyan feels daily.

When unga rises, when matatu fares increase, when rent goes up, that is inflation at work.

But behind the scenes, the Central Bank of Kenya (CBK) measures inflation in a more sophisticated way to understand what is really driving prices.

They break it into two key components:

• Core inflation,
• Non-core inflation.

Understanding this distinction is critical, not just for economists, but for the mwananchi trying to survive rising costs.

How Kenya Measures Inflation (CBK Approach)

1. Headline Inflation (The Big Number You Hear)

This is the overall inflation rate reported monthly. Example, Inflation was about 4.4% in early 2026 (Central Bank of Kenya).

This includes everything:

• Food
• Fuel
• Rent
• Transport
• Clothing

But here’s the issue; not all price changes are equal.

2. Core Inflation (The Stable Part of Inflation)

What is Core Inflation?

Core inflation:

• Excludes food and fuel.
• Focuses on long-term, stable price trends.

According to CBK:

• Core inflation was around 2.1% – 2.2% in early 2026.

It represents about 81% of the inflation basket.

Why CBK Focuses on Core Inflation:

Because:

• Food prices depend on weather,
• Fuel prices depend on global oil markets.

These are outside CBK’s control

So CBK uses core inflation to decide:

• Interest rates
• Monetary policy

Kenyan Examples of Core Inflation

• Rent increases in Nairobi
• School fees adjustments
• Prices of processed goods (e.g., bread, flour)
• Haircuts, mobile services

Impact on the Mwananchi

Core inflation reflects:

• The true long-term cost of living.

If core inflation rises:

• Rent increases
• School fees rise
• Services become expensive

This is the kind of inflation that:

quietly reshapes your lifestyle over time

3. Non-Core Inflation (The Volatile Reality Kenyans Feel Most)

What is Non-Core Inflation?

Non-core inflation includes:

• Food, and
• Fuel.

These are:

• Highly volatile
• Seasonal
• Often unpredictable

CBK MPC Insight (2026); From recent MPC data:Non-core inflation was around 10.1% – 10.3%. That is more than 4× higher than core inflation.

What Drives Non-Core Inflation in Kenya

According to CBK:

• Weather (rain/drought)
• Food supply
• Global oil prices
• Exchange rate

Real Kenyan Examples

• Sukuma wiki prices rising by over 25%
• Cabbage increasing by over 40%
• Tomatoes fluctuating weekly

Impact on the Mwananchi

This is the inflation people feel immediately:

• Food becomes expensive overnight.
• Transport fares change suddenly.
• Household budgets collapse.

Why the Difference Matters?

Here is the key insight from CBK:

Type	What it Shows	Stability	Impact
Core Inflation	Long-term trend	Stable	Slow but lasting
Non-Core Inflation	Food & fuel	Volatile	Immediate and painful

Critical Insight from CBKs – MPC

Even when:

• Core inflation is low (~2%).
• Overall inflation is stable (~4–5%).

Non-core inflation can still be very high (~10%).

What This Means for Monetary Policy

The Central Bank of Kenya makes decisions like, raising or lowering interest rates based mainly on Core Inflation. Why?

Because:

• Interest rates cannot control rain.
• Interest rates cannot control global oil prices.

Connecting This to Types of Inflation

Now let’s link this to the text book types of inflation:

Demand-Pull Inflation

• Reflected mostly in core inflation
• Example: Increased spending → higher rent, services

Cost-Push Inflation

• Seen strongly in non-core inflation.
• Example: Fuel price increases → transport costs rise.

Built-in Inflation

• Appears in core inflation.
• Example: Wage increases → businesses raise prices.

Monetary Inflation

• Influences both core and overall inflation.

The Kenyan Reality: Why Inflation Feels Worse

Here is the truth: CBK sees core inflation (~2%) → stable economy.
Mwananchi feels non-core inflation (~10%) → maisha imekuwa ngumu!

This disconnect explains:

How It Affects the Mwananchi (Final Breakdown)

1. Food Pressure (Non-Core)

2. Rent & Services (Core)

• Long-term financial strain

3. Income vs Cost Gap

4. Financial Decisions Become Harder

• Save less
• Spend more on basics

Golden Insight (For Your Audience)

Inflation in Kenya has two faces: one that economists watch (core), and one that wananchi feel every day (non-core).