  Researchers working in lattice field theory constitute an established
community since the early 1990s, and around the same time the online
open-access e-print repository arXiv was created. The fact that this field has
a specific arXiv section, hep-lat, provides a unique opportunity for a
statistical study of its evolution over the last three decades. We present data
for the number of entries, $E$, published papers, $P$, and citations, $C$, in
total and separated by nations. We compare them to 6 other arXiv sections, and
to socio-economic indices of the nations involved, namely the Gross Domestic
Product (GDP) and the Education Index (EI). We present rankings, which are
based either on the Hirsch Index $H$, or on the linear combination $\Sigma = E
+ P + 0.05 C$. We consider both extensive and intensive national statistics,
i.e. absolute and relative to the population or to the GDP.
