expression, noun which may take the genitive case particle 'no'
declining; decreasing; shrinking
Describes a downward trend, often in graphs, statistics, or performance. The image is of a line sloping down to the right. Opposite of 右肩上がり.
See also: 右肩上がり
This year's sales are declining.
Looking at the downward-sloping graph, the president sighed.