Edward J. Fox, PhD

Adequacy Is a Different Question

The first five segments described how Indian health care is financed.
This segment changes the question from where does the money come from?
to is there enough?

That question cannot be answered by looking at a single budget number.
Adequacy requires a comparison between available resources and the health
care services, population, costs, utilization, and needs represented by
the measure being studied.

Four Questions Come First

The IHS Budget Is Evidence—But It Is Not the Whole Answer

The federal budget is an essential starting point because it tells us what
Congress and the Administration propose or provide for IHS activities.
But the budget does not by itself measure the total financing available
to Indian health programs.

IHS also receives third-party collections and other resources. HHS has
described advance appropriations, third-party collections, and carryover
balances as resources that support IHS, Tribal Health Programs, and Urban
Indian Organizations.

That means a study that compares only the IHS appropriation with a measure
of health care need is answering a narrower question than a study that
examines all financing streams.

Funding Growth Does Not Automatically Establish Adequacy

An increase in funding is important evidence, but it does not by itself
demonstrate that financing has become adequate.

Resources can increase while population, prices, staffing requirements,
facility needs, utilization, or the cost and complexity of care also increase.
The relevant question is therefore not simply whether funding went up,
but whether resources increased sufficiently relative to the factors that
determine the level of services required.

The FY 2026 HHS budget materials, for example, described an IHS request of
$8.1 billion and identified $5.1 billion for the Services account. Those
figures are useful budget measures, but they are not by themselves an
estimate of total AI/AN health spending or of the amount required to meet
all health needs.

The Population Denominator Matters

Suppose two researchers calculate spending per person. One uses a broad
AI/AN population estimate. Another uses people who actually use IHS
services. They can obtain very different results even if they use the same
numerator.

Neither calculation is automatically wrong. They answer different questions.
The problem occurs when the denominator is not clearly identified or when
a result based on one population is presented as though it describes another.

This is why Indian health financing research must pay close attention to
definitions of AI/AN population, IHS service population, active users,
tribal enrollment, and other measures.

What Does “Unmet Need” Mean?

Unmet need is another term that requires definition.
It can refer to people who need services but do not receive them,
services that cannot be provided because of capacity constraints,
resources required to bring facilities or staffing to a desired level,
or a modeled difference between current resources and a benchmark.

These are related ideas, but they are not identical.

A strong financing analysis therefore states exactly what is being estimated
before presenting a dollar amount as a “need” or “gap.”

The $42 Billion Question

The federal government’s FY 2025 budget proposal included a mandatory
funding formula for IHS that was designed to grow to approximately
$42 billion in FY 2034. IHS described the proposal as a
response to chronic underfunding and identified inflation, population
growth, operational needs, and existing backlogs among the factors built
into the formula.

That figure is important evidence about the scale of a proposed future
financing requirement. But it should not automatically be described as
the definitive amount of “Indian health spending” or as a universally
accepted estimate of total unmet need.

For this course, the useful research question is:
what assumptions produce the estimate, what resources does it
include, and what population and services does it attempt to finance?

Three Ways to Think About Adequacy

What the Evidence Can—and Cannot—Tell Us

A financing study can show how much money was appropriated, reimbursed,
or spent under a particular definition. It can compare trends over time,
examine utilization, identify differences between populations, and estimate
the resources associated with particular services.

But no single dataset necessarily answers every question about adequacy.
Administrative data, Census data, budget documents, claims data, and
program reports each describe different parts of the system.

The challenge for the researcher is to connect those sources without
assuming that they measure the same population, dollars, or services.

A Better Research Question

Instead of asking simply, “How much does Indian health need?”,
a stronger research design asks:

From Adequacy to Data

We now have the conceptual framework needed to examine Indian health
financing quantitatively. The next step is to work with the data itself:
how populations are measured, how enrollment is identified, how spending
is reported, and what methodological limitations researchers must recognize.

That leads to the next segment:
Working With the Data.