[#bsl-unordered_map-0bf-load_factor]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_map-0bf.adoc[unordered_map<basic_string<char>, Json, TransparentHash, TransparentEqualTo>]::load_factor
:relfileprefix: ../../
:mrdocs:

Return the current ratio between the `size` of this unordered map and the number of buckets. The load factor is a measure of how full the container is, and a higher load factor typically leads to an increased number of collisions, thus resulting in a loss of performance.

== Synopsis

Declared in `<bslstl_unorderedmap.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
float
load_factor() const noexcept;
----


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